Remove unnecessary "throws" declarations

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

javatests/google/registry/rde/imports/RdeHostLinkActionTest.java

@@ -80,7 +80,7 @@ public class RdeHostLinkActionTest extends MapreduceTestCase<RdeHostLinkAction>
   private final FakeClock clock = new FakeClock();
 
   @Before
-  public void before() throws Exception {
+  public void before() {
     clock.setTo(DateTime.parse("2016-05-07T14:55:38Z"));
     inject.setStaticField(Ofy.class, "clock", clock);
     createTld("test");