Merge pull request #2352 from thaJeztah/19.03_backport_add_daemon_redirect

[19.03 backport] docs: add redirect for old location of daemon reference
Upstream-commit: 3ff19c37551bb0ce3025eb29655337f1ff433a00
Component: cli

Author: silvin-lubecki

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

@@ -1,8 +1,9 @@
 ---
 title: "dockerd"
-aliases: ["/engine/reference/commandline/daemon/"]
 description: "The daemon command description and usage"
 keywords: "container, daemon, runtime"
+redirect_from:
+- /engine/reference/commandline/daemon/
 ---
 
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