refactor(@angular-devkit/schematics): remove deprecated NodePackageLinkTask

BREAKING CHANGE: The `NodePackageLinkTask` has been removed without a replacement. Create a custom task if needed.

Note: This does not affect application developers.

Author: alan-agius4

goldens/public-api/angular_devkit/schematics/tasks/index.api.md

@@ -24,19 +24,6 @@ export class NodePackageInstallTask implements TaskConfigurationGenerator<NodePa
     workingDirectory?: string;
 }
 
-// @public @deprecated (undocumented)
-export class NodePackageLinkTask implements TaskConfigurationGenerator<NodePackageTaskOptions> {
-    constructor(packageName?: string | undefined, workingDirectory?: string | undefined);
-    // (undocumented)
-    packageName?: string | undefined;
-    // (undocumented)
-    quiet: boolean;
-    // (undocumented)
-    toConfiguration(): TaskConfiguration<NodePackageTaskOptions>;
-    // (undocumented)
-    workingDirectory?: string | undefined;
-}
-
 // @public (undocumented)
 export class RepositoryInitializerTask implements TaskConfigurationGenerator<RepositoryInitializerTaskOptions> {
     constructor(workingDirectory?: string | undefined, commitOptions?: CommitOptions | undefined);

packages/angular_devkit/schematics/tasks/index.ts

@@ -7,6 +7,5 @@
  */
 
 export { NodePackageInstallTask } from './package-manager/install-task';
-export { NodePackageLinkTask } from './package-manager/link-task';
 export { RepositoryInitializerTask } from './repo-init/init-task';
 export { RunSchematicTask } from './run-schematic/task';