Cleanup mevent2

src/script.c

@@ -1,6 +1,7 @@
 #include "global.h"
 #include "script.h"
 #include "event_data.h"
+#include "mevent.h"
 #include "util.h"
 #include "constants/map_scripts.h"
 
@@ -8,8 +9,6 @@
 
 extern const u8* gUnknown_020375C0;
 
-extern bool32 sub_801B27C(void);
-
 // ewram bss
 IWRAM_DATA static u8 sScriptContext1Status;
 IWRAM_DATA static u32 sUnusedVariable1;