Remove unnecessary "throws" declarations

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

javatests/google/registry/model/eppoutput/ResultTest.java

@@ -25,7 +25,7 @@ import org.junit.runners.JUnit4;
 public final class ResultTest {
 
   @Test
-  public void testDeadCodeWeDontWantToDelete() throws Exception {
+  public void testDeadCodeWeDontWantToDelete() {
     Result result = new Result();
     result.msg = "hello";
     assertThat(result.getMsg()).isEqualTo("hello");