test(@angular/cli): remove unscoped authentication test cases from registry tests

Author: clydin

tests/legacy-cli/e2e/tests/update/update-secure-registry.ts

@@ -16,22 +16,13 @@ export default async function () {
   }
 
   // Valid authentication token
-  await createNpmConfigForAuthentication(false);
-  const { stdout: stdout1 } = await ng('update', ...extraArgs);
-  if (!stdout1.includes(worksMessage)) {
-    throw new Error(`Expected stdout to contain "${worksMessage}"`);
-  }
-
   await createNpmConfigForAuthentication(true);
   const { stdout: stdout2 } = await ng('update', ...extraArgs);
   if (!stdout2.includes(worksMessage)) {
     throw new Error(`Expected stdout to contain "${worksMessage}"`);
   }
 
   // Invalid authentication token
-  await createNpmConfigForAuthentication(false, true);
-  await expectToFail(() => ng('update', ...extraArgs));
-
   await createNpmConfigForAuthentication(true, true);
   await expectToFail(() => ng('update', ...extraArgs));