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/venomoth.asm

@@ -1,10 +1,10 @@
-; VenomothPokedexEntry: ; 0x182abf
 	db "POISONMOTH@" ; species name
 	dw 411, 280 ; height, weight
 
 	db   "The scales it"
 	next "scatters will"
 	next "paralyze anyone"
+
 	page "who touches them,"
 	next "making that person"
 	next "unable to stand.@"