Remove unnecessary test overrides (#114291)

These test overrides were introduced so that we had somewhere to hang an
`@AwaitsFix` annotation, but now the tests are unmuted again there's no
need for the overrides.

Relates #108336

Author: DaveCTurner

modules/repository-azure/src/internalClusterTest/java/org/elasticsearch/repositories/azure/AzureStorageCleanupThirdPartyTests.java

@@ -60,31 +60,6 @@ public class AzureStorageCleanupThirdPartyTests extends AbstractThirdPartyReposi
         AzureHttpFixture.sharedKeyForAccountPredicate(AZURE_ACCOUNT)
     );
 
-    @Override
-    public void testCreateSnapshot() {
-        super.testCreateSnapshot();
-    }
-
-    @Override
-    public void testIndexLatest() throws Exception {
-        super.testIndexLatest();
-    }
-
-    @Override
-    public void testListChildren() {
-        super.testListChildren();
-    }
-
-    @Override
-    public void testCleanup() throws Exception {
-        super.testCleanup();
-    }
-
-    @Override
-    public void testReadFromPositionWithLength() {
-        super.testReadFromPositionWithLength();
-    }
-
     @Override
     protected Collection<Class<? extends Plugin>> getPlugins() {
         return pluginList(AzureRepositoryPlugin.class);