clean up trainer see file

include/trainer_see.h

@@ -5,19 +5,21 @@ struct ApproachingTrainer
 {
     u8 mapObjectId;
     u8 radius; // plus 1
-    u8 field_2;
-    u8 field_3;
     const u8 *trainerScriptPtr;
     u8 taskId;
-    u8 field_9;
-    u8 field_A;
-    u8 field_B;
 };
 
 extern struct ApproachingTrainer gApproachingTrainers[2];
 
-void sub_80B4578(struct MapObject *);
+bool8 CheckForTrainersWantingBattle(void);
+void sub_80B4578(struct MapObject *var);
+void EndTrainerApproach(void);
+void sub_80B45D0(void);
+u8 FldEff_ExclamationMarkIcon1(void);
+u8 FldEff_ExclamationMarkIcon2(void);
+u8 FldEff_HeartIcon(void);
 u8 GetCurrentApproachingTrainerMapObjectId(void);
-void sub_8155D78(struct MapObject *);
+u8 GetChosenApproachingTrainerMapObjectId(u8 arrayId);
+void sub_80B4808(void);
 
 #endif // GUARD_TRAINER_SEE_H