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/kangaskhan.asm

@@ -1,10 +1,10 @@
-; KangaskhanPokedexEntry: ; 0x1b94f6
 	db "PARENT@" ; species name
 	dw 703, 1760 ; height, weight
 
 	db   "To avoid"
 	next "crushing the"
 	next "baby it carries in"
+
 	page "its pouch, it"
 	next "always sleeps"
 	next "standing up.@"