software/theia: Remove golang.go extension

The golang.go extension can overwrite the shell environment PATH,
which can break the shell.

software/theia/generate_download_plugins_cfg.py

@@ -78,7 +78,8 @@ for plugin_and_version in '''\
     EditorConfig/EditorConfig/latest
     dbaeumer/vscode-eslint/latest
     ms-vscode/references-view/latest
-    golang/Go/0.16.2
+# golang.Go removed because it overwrites the PATH in theia shell
+# golang/Go/0.16.2
     vscjava/vscode-java-debug/0.29.0
     redhat/java/0.61.0
     vscjava/vscode-java-test/0.26.0