chore: remove .vscode directory and update gitignore (Fixes #3056)

Author: bhavjsh

.gitignore

@@ -22,7 +22,7 @@ migrate_working_dir/
 # The .vscode folder contains launch configuration and tasks you configure in
 # VS Code which you may wish to be included in version control, so this line
 # is commented out by default.
-#.vscode/
+.vscode/
 
 # Flutter/Dart/Pub related
 **/doc/api/