Merge from vscode 2f984aad710215f4e4684a035bb02f55d1a9e2cc (#9819)

build/gulpfile.editor.js

@@ -455,10 +455,8 @@ function createTscCompileTask(watch) {
 						// e.g. src/vs/base/common/strings.ts(663,5): error TS2322: Type '1234' is not assignable to type 'string'.
 						let fullpath = path.join(root, match[1]);
 						let message = match[3];
-						// @ts-ignore
 						reporter(fullpath + message);
 					} else {
-						// @ts-ignore
 						reporter(str);
 					}
 				}