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/lanturn.asm

@@ -1,10 +1,10 @@
-; LanturnPokedexEntry: ; 0x1cd1de
 	db "LIGHT@" ; species name
 	dw 311, 500 ; height, weight
 
 	db   "This #MON uses"
 	next "the bright part of"
 	next "its body, which"
+
 	page "changed from a"
 	next "dorsal fin, to"
 	next "lure prey.@"