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/blissey.asm

@@ -1,10 +1,10 @@
-; BlisseyPokedexEntry: ; 0x1d14f7
 	db "HAPPINESS@" ; species name
 	dw 411, 1030 ; height, weight
 
 	db   "Biting into one"
 	next "of the delicious"
 	next "eggs that BLISSEY"
+
 	page "provides will make"
 	next "everyone around"
 	next "smile with joy.@"