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/tyranitar.asm

@@ -1,10 +1,10 @@
-; TyranitarPokedexEntry: ; 0x1d177b
 	db "ARMOR@" ; species name
 	dw 607, 4450 ; height, weight
 
 	db   "In just one of its"
 	next "mighty hands, it"
 	next "has the power to"
+
 	page "make the ground"
 	next "shake and moun-"
 	next "tains crumble.@"