Remove unnecessary "throws" declarations

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

javatests/google/registry/tools/GetLrpTokenCommandTest.java

@@ -80,7 +80,7 @@ public class GetLrpTokenCommandTest extends CommandTestCase<GetLrpTokenCommand>
   }
 
   @Test
-  public void testFailure_noArgs() throws Exception {
+  public void testFailure_noArgs() {
     IllegalArgumentException thrown =
         assertThrows(IllegalArgumentException.class, this::runCommand);
     assertThat(thrown)