remove unneeded comment from reference files

these markdown files are not consumed directly in the docs,
but only their content is included through the YAML does,
so there's no need to have these comments in them

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit f30bde6adb6849b3611ce8cefa5befeb8a4478e1)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: ffffc1ed49c3649ac3bfe7de247707f84fbe0eab
Component: cli

Author: thaJeztah

components/cli/docs/reference/commandline/attach.md

@@ -4,15 +4,6 @@ description: "The attach command description and usage"
 keywords: "attach, running, container"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # attach
 
 ```markdown

components/cli/docs/reference/commandline/build.md

@@ -4,15 +4,6 @@ description: "The build command description and usage"
 keywords: "build, docker, image"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # build
 
 ```markdown

components/cli/docs/reference/commandline/commit.md

@@ -4,15 +4,6 @@ description: "The commit command description and usage"
 keywords: "commit, file, changes"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # commit
 
 ```markdown

components/cli/docs/reference/commandline/container.md

@@ -5,15 +5,6 @@ description: "The container command description and usage"
 keywords: "container"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # container
 
 ```markdown

components/cli/docs/reference/commandline/container_prune.md

@@ -4,15 +4,6 @@ description: "Remove all stopped containers"
 keywords: container, prune, delete, remove
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # container prune
 
 ```markdown

components/cli/docs/reference/commandline/context_create.md

@@ -4,15 +4,6 @@ description: "The context create command description and usage"
 keywords: "context, create"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # context create
 
 ```markdown

components/cli/docs/reference/commandline/context_export.md

@@ -4,15 +4,6 @@ description: "The context export command description and usage"
 keywords: "context, export"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # context export
 
 ```markdown

components/cli/docs/reference/commandline/context_import.md

@@ -4,15 +4,6 @@ description: "The context import command description and usage"
 keywords: "context, import"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # context import
 
 ```markdown

components/cli/docs/reference/commandline/context_inspect.md

@@ -4,15 +4,6 @@ description: "The context inspect command description and usage"
 keywords: "context, inspect"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # context inspect
 
 ```markdown

components/cli/docs/reference/commandline/context_ls.md

@@ -4,15 +4,6 @@ description: "The context ls command description and usage"
 keywords: "context, ls"
 ---
 
-<!-- This file is maintained within the docker/cli GitHub
-     repository at https://github.com/docker/cli/. Make all
-     pull requests against that repo. If you see this file in
-     another repository, consider it read-only there, as it will
-     periodically be overwritten by the definitive file. Pull
-     requests which include edits to this file in other repositories
-     will be rejected.
--->
-
 # context ls
 
 ```markdown