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/slowpoke.asm

@@ -1,10 +1,10 @@
-; SlowpokePokedexEntry: ; 0x1b85d3
 	db "DOPEY@" ; species name
 	dw 311, 790 ; height, weight
 
 	db   "It is always so"
 	next "absent-minded that"
 	next "it won't react,"
+
 	page "even if its"
 	next "flavorful tail is"
 	next "bitten.@"