message: refactor(schematics): remove tslint fix run
diff: import { Rule, SchematicContext, Tree, SchematicsException, chain, } from '@angular-devkit/schematics';
  -import { TsLintTask, NodePackageInstallTask } from '@angular-devkit/schematics/tasks';
  +import { NodePackageInstallTask } from '@angular-devkit/schematics/tasks';
  export function rxjsV6MigrationSchematic(_options: any): Rule {
  return chain([
  - addDependencies(),
  - runTsLint(),
  + addDependencies()
  ]);
  }
  @@ -42,32 +41,6 @@ function addDependencies() {
  };
  }
  -function runTsLint() {
  - return (tree: Tree, context: SchematicContext) => {
  - const workspace = getWorkspace(tree);
  - const tsLintRules = {
  - rulesDirectory: ['node_modules/rxjs-tslint'],
  - rules: {
  - 'update-rxjs-imports': true,
  - 'migrate-to-pipeable-operators': true,
  - 'collapse-rxjs-imports': true
  - }
  - };
  - Object.keys(workspace.projects)
  - .filter(prj => workspace.projects[prj].architect.build)
  - .map(prj => workspace.projects[prj].architect.build.options.tsConfig)
  - .forEach(tsConfigPath => {
  - const options = {
  - tsConfigPath: tsConfigPath,
  - tslintConfig: tsLintRules
  - };
  -
  - context.addTask(new TslintFixTask(options));
  - });
  -
  - };
  -}
  -
  export function getWorkspacePath(tree: Tree): string {
  const possibleFiles = [ '/angular.json', '/.angular.json' ];
  const path = possibleFiles.filter(path => tree.exists(path))[0];
  