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/sudowoodo.asm

@@ -1,10 +1,10 @@
-; SudowoodoPokedexEntry: ; 0x1cd7d9
 	db "IMITATION@" ; species name
 	dw 311, 840 ; height, weight
 
 	db   "If a tree branch"
 	next "shakes when there"
 	next "is no wind, it's a"
+
 	page "SUDOWOODO, not a"
 	next "tree. It hides"
 	next "from the rain.@"