build(schematics): removing explicit addition of ng-bootstrap to pack…

…age.json

´ng add @ng-bootstrap/ng-bootstrap´ automatically adds ng-bootstrap to
package.json (unless we add "ng-add": {"save":false} to the package.json
of ng-bootstrap), so it is not needed to do it ourselves.

schematics/ng-add/index.spec.ts

@@ -19,7 +19,6 @@ describe(`ng add '@ng-bootstrap/ng-bootstrap'`, () => {
     const tree = await runner.runSchematicAsync('ng-add', {}, appTree).toPromise();
     const {dependencies} = JSON.parse(getFileContent(tree, '/package.json'));
 
-    expect(dependencies['@ng-bootstrap/ng-bootstrap']).toBeDefined('@ng-bootstrap/ng-bootstrap should be installed');
     expect(dependencies['bootstrap']).toBeDefined('bootstrap should be installed');
     expect(dependencies['@angular/localize']).toBeDefined('@angular/localize should be installed');
     expect(dependencies['@popperjs/core']).toBeDefined('@popperjs/core should be installed');

schematics/ng-add/index.ts

@@ -12,7 +12,6 @@ import {addPackageToPackageJson, getPackageVersionFromPackageJson} from '../util
 
 const VERSIONS = {
   // automatically filled from package.json during the build
-  NGBOOTSTRAP: "^0.0.0",
   BOOTSTRAP: "^0.0.0",
   POPPER: "^0.0.0"
 };
@@ -39,7 +38,6 @@ export default function ngAdd(options: Schema): Rule {
     const angularCoreVersion = getPackageVersionFromPackageJson(tree, '@angular/core') !;
     const angularLocalizeVersion = getPackageVersionFromPackageJson(tree, '@angular/localize');
 
-    addPackageToPackageJson(tree, '@ng-bootstrap/ng-bootstrap', VERSIONS.NGBOOTSTRAP);
     addPackageToPackageJson(tree, 'bootstrap', VERSIONS.BOOTSTRAP);
     addPackageToPackageJson(tree, '@popperjs/core', VERSIONS.POPPER);
 

schematics/rollup.config.js

@@ -25,7 +25,6 @@ module.exports = [
     plugins: [
       replace({
         preventAssignment: true,
-        "VERSIONS.NGBOOTSTRAP": version(pkg.version),
         "VERSIONS.BOOTSTRAP": version(pkg.devDependencies.bootstrap),
         "VERSIONS.POPPER": version(pkg.devDependencies["@popperjs/core"]),
       }),