make menu indicators compile

src/player_pc.c

@@ -18,7 +18,6 @@
 #include "malloc.h"
 #include "menu.h"
 #include "menu_helpers.h"
-#include "menu_indicators.h"
 #include "overworld.h"
 #include "palette.h"
 #include "party_menu.h"
@@ -43,9 +42,6 @@ struct Struct203BCC4
     u8 spriteIds[7];
 };
 
-// extern offset
-void (*gFieldCallback)(void);
-
 // static functions
 static void InitPlayerPCMenu(u8 taskId);
 static void PlayerPCProcessMenuInput(u8 taskId);