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/beedrill.asm

@@ -1,10 +1,10 @@
-; BeedrillPokedexEntry: ; 0x181c8a
 	db "POISON BEE@" ; species name
 	dw 303, 650 ; height, weight
 
 	db   "It uses sharp,"
 	next "poisonous stings"
 	next "to defeat prey,"
+
 	page "then takes the"
 	next "victim back to its"
 	next "nest for food.@"