Remove unused ArgumentCaptor

Author: marekoid

src/test/java/com/pusher/client/channel/impl/PrivateEncryptedChannelClearsKeyTest.java

@@ -15,8 +15,6 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Captor;
 import org.mockito.Mock;
 import org.mockito.runners.MockitoJUnitRunner;
 import org.mockito.stubbing.Answer;
@@ -39,9 +37,6 @@ public class PrivateEncryptedChannelClearsKeyTest {
     @Mock
     SecretBoxOpener mockSecretBoxOpener;
 
-    @Captor
-    ArgumentCaptor<ConnectionEventListener> connectionEventListenerArgumentCaptor;
-
     PrivateEncryptedChannelImpl subject;
 
     @Before