(#3499) Remove msjsdiag.debugger-for-chrome suggestion (#3502)

Remove extension msjsdiag.debugger-for-chrome suggestion from the vscode
extensions suggestions.

This extension has been deprecated as vscode includes native javascript
debugging.

Author: corbob

.vscode/extensions.json

@@ -3,7 +3,6 @@
   // for the documentation about the extensions.json format
   "recommendations": [
     "editorconfig.editorconfig",
-    "msjsdiag.debugger-for-chrome",
     "ms-azure-devops.azure-pipelines",
     "ms-vscode.powershell",
     "ms-vscode.vscode-typescript-tslint-plugin",