test: uninstall @angular/localize after extraction E2E tests

Author: clydin

tests/legacy-cli/e2e/tests/i18n/extract-ivy-libraries.ts

@@ -65,6 +65,8 @@ export default async function() {
   await expectFileToMatch('messages.xlf', 'Hello world');
   await expectFileToMatch('messages.xlf', 'i18n-lib-test works!');
 
+  await npm('uninstall', '@angular/localize');
+
   // TODO: Investigate failures on Windows and remove this check
   if (process.platform === 'win32') {
     return;

tests/legacy-cli/e2e/tests/i18n/extract-ivy.ts

@@ -63,4 +63,6 @@ export default async function() {
   if (!message4.includes(`Ivy extraction enabled but application is not Ivy enabled.`)) {
     throw new Error('Expected ivy disabled application warning');
   }
+
+  await npm('uninstall', '@angular/localize');
 }