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/kadabra.asm

@@ -1,10 +1,10 @@
-; KadabraPokedexEntry: ; 0x18313c
 	db "PSI@" ; species name
 	dw 403, 1250 ; height, weight
 
 	db   "When it closes its"
 	next "eyes, twice as"
 	next "many alpha parti-"
+
 	page "cles come out of"
 	next "the surface of its"
 	next "body.@"