No unused locals (#8231)

* add no unused local

* fix strict null

* fix compile errors

* update vscode comments

src/sql/base/test/browser/ui/table/gridFormatters.test.ts

@@ -15,7 +15,6 @@ suite('Grid shared services tests', () => {
 		cellValue.displayValue = testText;
 		cellValue.isNull = false;
 		let formattedHtml = SharedServices.textFormatter(undefined, undefined, cellValue, undefined, undefined);
-		let hyperlink = SharedServices.hyperLinkFormatter(undefined, undefined, cellValue, undefined, undefined);
 
 		// Then the result is HTML for a span element containing the cell value's display value as plain text
 		verifyFormattedHtml(formattedHtml, testText);

src/sql/base/test/common/event.ts

@@ -4,7 +4,6 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as assert from 'assert';
-import { find } from 'vs/base/common/arrays';
 
 export class EventVerifierSingle<T> {
 	private _eventArgument: T;