Multiple renamings; Removed some orphaned functions

include/egg_hatch.h

@@ -4,9 +4,7 @@
 #include "global.h"
 
 void ScriptHatchMon(void);
-bool8 sub_8071614(void);
 void EggHatch(void);
 u8 GetEggStepsToSubtract(void);
-u16 sub_80722E0(void);
 
 #endif // GUARD_EGG_HATCH_H