extractCss is deprecated and true by default

See: angular/angular-cli@dd26018

Author: timfrijtersppw

src/application/index.spec.ts

@@ -65,7 +65,6 @@ describe('Application Schematic', () => {
     const prj = config.projects.foo;
     const buildOpt = prj.architect.build.options;
     expect(buildOpt.buildOptimizer).toBeTrue();
-    expect(buildOpt.extractCss).toBeTrue();
     expect(buildOpt.extractLicenses).toBeTrue();
     expect(buildOpt.optimization).toBeTrue();
     expect(buildOpt.statsJson).toBeTrue();

src/application/index.ts

@@ -100,7 +100,6 @@ function addBuildOptions(project: ProjectDefinition) {
     throw new SchematicsException("Expected build options to be defined");
   }
   buildTarget.options['buildOptimizer'] = true;
-  buildTarget.options['extractCss'] = true;
   buildTarget.options['extractLicenses'] = true;
   buildTarget.options['optimization'] = true;
   buildTarget.options['statsJson'] = true;