Drop missing reference to removed intent class

Android.mk

@@ -34,7 +34,6 @@ LOCAL_SRC_FILES := \
     android/service/platform_service_interface.cpp \
     android/service/platform_service.cpp \
     android/service/platform_api_stub.cpp \
-    android/service/intent.cpp \
     src/anbox/common/fd.cpp \
     src/anbox/common/wait_handle.cpp \
     src/anbox/rpc/message_processor.cpp \

android/service/platform_service.cpp

@@ -16,7 +16,6 @@
  */
 
 #include "android/service/platform_service.h"
-#include "android/service/intent.h"
 #include "anbox/rpc/channel.h"
 
 #include "anbox_rpc.pb.h"