Resolve #723: treat std scripts like specials and predefs

constants/std_constants.asm

@@ -1,55 +0,0 @@
-; StdScripts indexes (see engine/events/std_scripts.asm)
-; also used in TileCollisionStdScripts (see data/events/collision_stdscripts.asm)
-	enum_start
-	enum pokecenternurse
-	enum difficultbookshelf
-	enum picturebookshelf
-	enum magazinebookshelf
-	enum teamrocketoath
-	enum incenseburner
-	enum merchandiseshelf
-	enum townmap
-	enum window
-	enum tv
-	enum homepage
-	enum radio1
-	enum radio2
-	enum trashcan
-	enum strengthboulder
-	enum smashrock
-	enum pokecentersign
-	enum martsign
-	enum goldenrodrockets
-	enum radiotowerrockets
-	enum elevatorbutton
-	enum daytotext
-	enum bugcontestresultswarp
-	enum bugcontestresults
-	enum initializeevents
-	enum asknumber1m
-	enum asknumber2m
-	enum registerednumberm
-	enum numberacceptedm
-	enum numberdeclinedm
-	enum phonefullm
-	enum rematchm
-	enum giftm
-	enum packfullm
-	enum rematchgiftm
-	enum asknumber1f
-	enum asknumber2f
-	enum registerednumberf
-	enum numberacceptedf
-	enum numberdeclinedf
-	enum phonefullf
-	enum rematchf
-	enum giftf
-	enum packfullf
-	enum rematchgiftf
-	enum gymstatue1
-	enum gymstatue2
-	enum receiveitem
-	enum receivetogepiegg
-	enum pcscript
-	enum gamecornercoinvendor
-	enum happinesschecknpc