Remove use strict in extensions (part 2)

We compile using alwaysStrict so this directive is not needed

extensions/html-language-features/server/src/utils/arrays.ts

@@ -2,7 +2,8 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-'use strict';
+
+
 
 export function pushAll<T>(to: T[], from: T[]) {
 	if (from) {

extensions/html-language-features/server/src/utils/documentContext.ts

@@ -2,7 +2,8 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-'use strict';
+
+
 
 import { DocumentContext } from 'vscode-html-languageservice';
 import { endsWith, startsWith } from '../utils/strings';

extensions/html-language-features/server/src/utils/runner.ts

@@ -2,7 +2,8 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-'use strict';
+
+
 
 import { ResponseError, ErrorCodes, CancellationToken } from 'vscode-languageserver';
 

extensions/html-language-features/server/src/utils/strings.ts

@@ -2,7 +2,8 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-'use strict';
+
+
 
 export function getWordAtText(text: string, offset: number, wordDefinition: RegExp): { start: number, length: number } {
 	let lineStart = offset;