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/exeggcute.asm

@@ -1,10 +1,10 @@
-; ExeggcutePokedexEntry: ; 0x1b8f84
 	db "EGG@" ; species name
 	dw 104, 60 ; height, weight
 
 	db   "If even one is"
 	next "separated from the"
 	next "group, the energy"
+
 	page "bond between the"
 	next "six will make them"
 	next "rejoin instantly.@"