Remove parameter from console.groupEnd() (#3517)

* remove parameter from groupEnd

* comment re typos

* fix typos from demo page

---------

Co-authored-by: John Karaplis <john.karaplis@shiftkey.com>
Co-authored-by: Michael S. Hoffman <v-mihoffman@microsoft.com>

Author: 3 people

microsoft-edge/devtools/console/api.md

@@ -293,7 +293,7 @@ console.info('Leo');
 console.info('Mike');
 console.info('Don');
 console.info('Raph');
-console.groupEnd(label);
+console.groupEnd();
 ```
 
 
@@ -327,7 +327,7 @@ console.groupCollapsed(label)
 Stops visually grouping messages.  See the [group](#group) method.
 
 ```javascript
-console.groupEnd(label)
+console.groupEnd()
 ```
 
 <br/><br/>

microsoft-edge/devtools/console/console-log.md

@@ -218,8 +218,8 @@ console.log('Arthur');
 console.log('Marvin');
 console.groupCollapsed("Hidden");
 console.log('(Frankie & Benjy)');
-console.groupEnd("Hidden");
-console.groupEnd("Passengers: Heart of Gold");
+console.groupEnd();
+console.groupEnd();
 
 
 // Example 2:
@@ -230,7 +230,7 @@ let technologies = {
 for (tech in technologies) {
   console.groupCollapsed(tech);
   technologies[tech].forEach(t => console.log(t));
-  console.groupEnd(tech);
+  console.groupEnd();
 }
 ```
 

microsoft-edge/devtools/console/index.md

@@ -95,16 +95,13 @@ console.log(document.body.getBoundingClientRect());
 // prints the geometry of the document body as a table
 console.table(document.body.getBoundingClientRect());
 
-// shows a list of techologies as a collapsed group
+// shows a list of technologies as a collapsed group
 let technologies = ["HTML", "CSS", "SVG", "ECMAScript"];
-console.groupCollapsed('Technolgies');
+console.groupCollapsed('Technologies');
 technologies.forEach(tech => {console.info(tech);})
-console.groupEnd('Technolgies');
+console.groupEnd();
 ```
 
-<!-- typos in the demo page are preserved above, at `Technolgies` -->
-
-
 To log information to display in the Console:
 
 1. Open the demo webpage [Console messages examples: log, info, error and warn](https://microsoftedge.github.io/Demos/devtools-console/logging-demo.html) in a new window or tab.