Clean up comments

Base data: types uniquely lacked a comment; items on one line; distinguish unknowns
Dex entries: don't imply that pointers don't exist

data/pokemon/dex_entries/girafarig.asm

@@ -1,10 +1,10 @@
-; GirafarigPokedexEntry: ; 0x1d0446
 	db "LONG NECK@" ; species name
 	dw 411, 910 ; height, weight
 
 	db   "When it is in"
 	next "danger, its tail"
 	next "uses some sort of"
+
 	page "mysterious powers"
 	next "to drive away the"
 	next "enemy.@"