fix error in error message in nearest gap test

Tried to implicitely convert Vector2 in Float...
This is an argument for typing GDScript

editor/WorkSpace.gd

@@ -120,10 +120,8 @@ func test_disposition(n):
 		pos = text[i].get_position() + twid
 		gap = get_nearest_gap(pos)
 		if gap != i:
-			push_error("Nearest Gap Error: should be %d, is %d, pos %f"
+			push_error("Nearest Gap Error: should be %s, is %s, pos %s"
 					   % [i, gap, pos])
-		else:
-			print(twid)
 
 		   
 # Called when the node enters the scene tree for the first time.