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/smeargle.asm

@@ -1,10 +1,10 @@
-; SmearglePokedexEntry: ; 0x1d11e0
 	db "PAINTER@" ; species name
 	dw 311, 1280 ; height, weight
 
 	db   "The color of the"
 	next "mysterious fluid"
 	next "secreted from its"
+
 	page "tail is predeter-"
 	next "mined for each"
 	next "SMEARGLE.@"