Remove unnecessary "throws" declarations

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201058582

javatests/google/registry/flows/ResourceFlowTestCase.java

@@ -134,7 +134,7 @@ public abstract class ResourceFlowTestCase<F extends Flow, R extends EppResource
   }
 
   @Test
-  public void testRequiresLogin() throws Exception {
+  public void testRequiresLogin() {
     sessionMetadata.setClientId(null);
     EppException thrown = assertThrows(NotLoggedInException.class, this::runFlow);
     assertAboutEppExceptions().that(thrown).marshalsToXml();