fix custom watermark issue

a fix for better backwards compatibility made reading the size not work as well. new build_custom_watermark_blend function resolves both problems

data/magic-blends.mse-include/new-blends

@@ -1101,19 +1101,6 @@ set_watermark_blend := {
 }
 spotlight_watermark_blend := {
 	face := [1:card.card_color, 2:card.card_color_2, 3:card.card_color_3][face]
-	if type_of(input) == type_of("string") then (
-		array := split_comma(input)
-		input := array.0
-		if length(array) > 1 then (
-			px := px_split(array.2)
-			if length(px) > 2
-				then l := 0
-			else (
-				l := px.0
-				h := px.1
-			)
-		)
-	)
 	
 	if l < 1 or h < 1 or l > 1024 or h > 1024 then (
 		input