fix lint

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

framework/extensions/src/test/java/org/apache/cloudstack/framework/extensions/api/ListCustomActionCmdTest.java

@@ -37,7 +37,6 @@
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.mockito.Spy;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.springframework.test.util.ReflectionTestUtils;