Remove unused import

Author: bilal-alsharifi

android/sdl_android/src/main/java/com/smartdevicelink/managers/SdlManager.java

@@ -49,7 +49,6 @@
 import com.smartdevicelink.managers.screen.ScreenManager;
 import com.smartdevicelink.managers.video.VideoStreamManager;
 import com.smartdevicelink.proxy.rpc.enums.AppHMIType;
-import com.smartdevicelink.proxy.rpc.enums.SdlDisconnectedReason;
 import com.smartdevicelink.transport.BaseTransportConfig;
 import com.smartdevicelink.transport.MultiplexTransportConfig;
 import com.smartdevicelink.transport.enums.TransportType;