refactor(@angular-devkit/schematics): deprecate TslintFixTask and it's options option

As part of tslint deprecation we are also deprecated the TslintFixTask. Users should use `ng lint --fix` directly instead

Author: alan-agius4

packages/angular_devkit/schematics/tasks/node/index.ts

@@ -28,6 +28,7 @@ export class BuiltinTaskExecutor {
     name: RunSchematicName,
     create: () => import('../run-schematic/executor').then(mod => mod.default()) as Promise<TaskExecutor<{}>>,
   };
+  /** @deprecated since version 11. Use `ng lint --fix` directly instead. */
   static readonly TslintFix: TaskExecutorFactory<{}> = {
     name: TslintFixName,
     create: () => import('../tslint-fix/executor').then(mod => mod.default()),

packages/angular_devkit/schematics/tasks/tslint-fix/executor.ts

@@ -79,7 +79,7 @@ function _listAllFiles(root: string): string[] {
   return result;
 }
 
-
+/** @deprecated since version 11. Use `ng lint --fix` directly instead. */
 export default function (): TaskExecutor<TslintFixTaskOptions> {
   return async (options: TslintFixTaskOptions = {}, context: SchematicContext) => {
     const root = process.cwd();

packages/angular_devkit/schematics/tasks/tslint-fix/options.ts

@@ -7,8 +7,10 @@
  */
 import { JsonObject } from '@angular-devkit/core';
 
+/** @deprecated since version 11. Use `ng lint --fix` directly instead. */
 export const TslintFixName = 'tslint-fix';
 
+/** @deprecated since version 11. Use `ng lint --fix` directly instead. */
 export interface TslintFixTaskOptionsBase {
   silent?: boolean;
   format?: string;
@@ -23,4 +25,5 @@ export interface TslintFixTaskOptionsBase {
   tslintConfig?: JsonObject;
 }
 
+/** @deprecated since version 11. Use `ng lint --fix` directly instead. */
 export type TslintFixTaskOptions = TslintFixTaskOptionsBase;

packages/angular_devkit/schematics/tasks/tslint-fix/task.ts

@@ -10,6 +10,7 @@ import { TaskConfiguration, TaskConfigurationGenerator } from '../../src';
 import { TslintFixName, TslintFixTaskOptions, TslintFixTaskOptionsBase } from './options';
 
 
+/** @deprecated since version 11. Use `ng lint --fix` directly instead. */
 export class TslintFixTask implements TaskConfigurationGenerator<TslintFixTaskOptions> {
   protected _configOrPath: null | string | JsonObject;
   protected _options: TslintFixTaskOptionsBase;