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/jynx.asm

@@ -1,10 +1,10 @@
-; JynxPokedexEntry: ; 0x1b98c5
 	db "HUMANSHAPE@" ; species name
 	dw 407, 900 ; height, weight
 
 	db   "It has several"
 	next "different cry pat-"
 	next "terns, each of"
+
 	page "which seems to"
 	next "have its own"
 	next "meaning.@"