Remove unnecessary "throws" declarations

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

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

@@ -161,7 +161,7 @@ public class DomainTransferQueryFlowTest
   }
 
   @Test
-  public void testFailure_badContactPassword() throws Exception {
+  public void testFailure_badContactPassword() {
     // Change the contact's password so it does not match the password in the file.
     contact =
         persistResource(
@@ -177,7 +177,7 @@ public class DomainTransferQueryFlowTest
   }
 
   @Test
-  public void testFailure_badDomainPassword() throws Exception {
+  public void testFailure_badDomainPassword() {
     // Change the domain's password so it does not match the password in the file.
     domain =
         persistResource(
@@ -193,7 +193,7 @@ public class DomainTransferQueryFlowTest
   }
 
   @Test
-  public void testFailure_neverBeenTransferred() throws Exception {
+  public void testFailure_neverBeenTransferred() {
     changeTransferStatus(null);
     EppException thrown =
         assertThrows(
@@ -203,7 +203,7 @@ public class DomainTransferQueryFlowTest
   }
 
   @Test
-  public void testFailure_unrelatedClient() throws Exception {
+  public void testFailure_unrelatedClient() {
     setClientIdForFlow("ClientZ");
     EppException thrown =
         assertThrows(