Remove unused imports

app/src/main/java/chat/rocket/android/RocketChatApplication.java

@@ -9,9 +9,7 @@ import com.crashlytics.android.Crashlytics;
 import java.util.List;
 import java.util.concurrent.TimeoutException;
 
-import chat.rocket.android.helper.Logger;
 import chat.rocket.android.helper.OkHttpHelper;
-import chat.rocket.android.log.RCLog;
 import chat.rocket.android.service.ConnectivityManager;
 import chat.rocket.android.widget.RocketChatWidgets;
 import chat.rocket.android_ddp.DDPClient;

persistence-realm/src/main/java/chat/rocket/persistence/realm/repositories/RealmRoomRepository.java

@@ -5,8 +5,6 @@ import android.support.v4.util.Pair;
 
 import com.hadisatrio.optional.Optional;
 
-import org.intellij.lang.annotations.Flow;
-
 import java.util.ArrayList;
 import java.util.List;