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/abra.asm

@@ -1,10 +1,10 @@
-; AbraPokedexEntry: ; 0x1830d5
 	db "PSI@" ; species name
 	dw 211, 430 ; height, weight
 
 	db   "It hypnotizes"
 	next "itself so that it"
 	next "can teleport away"
+
 	page "when it senses"
 	next "danger, even"
 	next "if it is asleep.@"