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/delibird.asm

@@ -1,10 +1,10 @@
-; DelibirdPokedexEntry: ; 0x1d0db1
 	db "DELIVERY@" ; species name
 	dw 211, 350 ; height, weight
 
 	db   "It always carries"
 	next "its food with it,"
 	next "wherever it goes."
+
 	page "If attacked, it"
 	next "throws its food at"
 	next "the opponent.@"