remove Distance

Distance.py

@@ -1,11 +0,0 @@
-
-from Constraint import Constraint
-
-class Distance(Constraint):
-    def __init__(self, shape1, pt1, shape2, pt2, direction, dist):
-        self.shape1 = shape1
-        self.pt1 = pt1
-        self.shape2 = shape2
-        self.pt2 = pt2
-        self.dist = dist
-        self.direction = direction