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/skarmory.asm

@@ -1,10 +1,10 @@
-; SkarmoryPokedexEntry: ; 0x1d0e8c
 	db "ARMOR BIRD@" ; species name
 	dw 507, 1110 ; height, weight
 
 	db   "The feathers that"
 	next "it sheds are very"
 	next "sharp. It is said"
+
 	page "that people once"
 	next "used the feathers"
 	next "as swords.@"