cleanup(angular): remove unnecessary migration

We no longer support ng update, so we don't have to update packages in a migration. This happens automatically.,

packages/angular/migrations.json

@@ -55,11 +55,6 @@
       "version": "11.0.0-beta.13",
       "description": "Update builder configurations and dependencies",
       "factory": "./src/migrations/update-11-0-0/update-builders-config"
-    },
-    "update-11-1-0": {
-      "version": "11.1.0-beta.0",
-      "description": "Update @angular-eslint dependencies to v1",
-      "factory": "./src/migrations/update-11-1-0/update-11-1-0"
     }
   },
   "packageJsonUpdates": {

packages/angular/src/migrations/update-11-1-0/update-11-1-0.spec.ts

@@ -1,35 +0,0 @@
-import { Tree } from '@angular-devkit/schematics';
-import { readJsonInTree, updateJsonInTree } from '@nrwl/workspace';
-import { callRule, runMigration } from '../../utils/testing';
-
-describe('update-11-1-0', () => {
-  let tree: Tree;
-  beforeEach(async () => {
-    tree = Tree.empty();
-    tree = await callRule(
-      updateJsonInTree('package.json', () => ({
-        devDependencies: {
-          '@angular-eslint/eslint-plugin': '~1.0.0',
-          '@angular-eslint/eslint-plugin-template': '~1.0.0',
-          '@angular-eslint/template-parser': '~1.0.0',
-        },
-      })),
-      tree
-    );
-  });
-  it('should update @angular-eslint dependencies to v1', async () => {
-    const result = await runMigration('update-11-1-0', {}, tree);
-
-    const packageJson = readJsonInTree(result, 'package.json');
-
-    expect(packageJson).toMatchInlineSnapshot(`
-      Object {
-        "devDependencies": Object {
-          "@angular-eslint/eslint-plugin": "~1.0.0",
-          "@angular-eslint/eslint-plugin-template": "~1.0.0",
-          "@angular-eslint/template-parser": "~1.0.0",
-        },
-      }
-    `);
-  });
-});

packages/angular/src/migrations/update-11-1-0/update-11-1-0.ts

@@ -1,13 +0,0 @@
-import { chain } from '@angular-devkit/schematics';
-import { formatFiles, updatePackagesInPackageJson } from '@nrwl/workspace';
-import { join } from 'path';
-
-export default function () {
-  return chain([
-    updatePackagesInPackageJson(
-      join(__dirname, '../../../migrations.json'),
-      '11.1.0'
-    ),
-    formatFiles(),
-  ]);
-}