Remove unnecessary "throws" declarations

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

javatests/google/registry/flows/domain/DomainApplicationInfoFlowTest.java

@@ -315,7 +315,7 @@ public class DomainApplicationInfoFlowTest
   }
 
   @Test
-  public void testFailure_applicationIdForDifferentDomain() throws Exception {
+  public void testFailure_applicationIdForDifferentDomain() {
     persistResource(
         new DomainApplication.Builder()
             .setRepoId("123-TLD")