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/hitmonchan.asm

@@ -1,10 +1,10 @@
-; HitmonchanPokedexEntry: ; 0x1b91a4
 	db "PUNCHING@" ; species name
 	dw 407, 1110 ; height, weight
 
 	db   "To increase the"
 	next "strength of all"
 	next "its punch moves,"
+
 	page "it spins its arms"
 	next "just before making"
 	next "contact.@"