remove obselete simulate extension

lib/extensions/simulate.py

@@ -1,19 +0,0 @@
-from ..gui import show_simulator
-from ..stitch_plan import patches_to_stitch_plan
-from .base import InkstitchExtension
-
-
-class Simulate(InkstitchExtension):
-    def __init__(self):
-        InkstitchExtension.__init__(self)
-        self.OptionParser.add_option("-P", "--path",
-                                     action="store", type="string",
-                                     dest="path", default=".",
-                                     help="Directory in which to store output file")
-
-    def effect(self):
-        if not self.get_elements():
-            return
-        patches = self.elements_to_patches(self.elements)
-        stitch_plan = patches_to_stitch_plan(patches)
-        show_simulator(stitch_plan)