Automated g4 rollback of changelist 240574585.

*** Reason for rollback ***

The inconsistent class loading is breaking the tests

*** Original change description ***

Validate provided email addresses when creating a Registrar

***

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=241014945

javatests/google/registry/tools/UpdateRegistrarCommandTest.java

@@ -815,17 +815,6 @@ public class UpdateRegistrarCommandTest extends CommandTestCase<UpdateRegistrarC
     assertThat(loadRegistrar("NewRegistrar").getPoNumber()).isEmpty();
   }
 
-  @Test
-  public void testFailure_badEmail() {
-    IllegalArgumentException thrown =
-        assertThrows(
-            IllegalArgumentException.class,
-            () -> runCommand("--email=lolcat", "--force", "NewRegistrar"));
-    assertThat(thrown)
-        .hasMessageThat()
-        .isEqualTo("Provided email lolcat is not a valid email address");
-  }
-
   private void persistWhoisAbuseContact() {
     persistResource(
         AppEngineRule.makeRegistrarContact1()