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/ledian.asm

@@ -1,10 +1,10 @@
-; LedianPokedexEntry: ; 0x1ccfa0
 	db "FIVE STAR@" ; species name
 	dw 407, 780 ; height, weight
 
 	db   "In the daytime"
 	next "when it gets warm,"
 	next "it curls up inside"
+
 	page "a big leaf and"
 	next "drifts off into"
 	next "a deep slumber.@"