[DRAFT] Remove unused loop variable

LGTM is concerned about the unused loop variable in this algorithm.
While there was nothing wrong here, to eliminate the alarm the loop was
removed entirely, since Python allows the use of the multiplication
operator here to achieve the same effect.

src/Mod/Draft/draftguitools/gui_trimex.py

@@ -120,8 +120,7 @@ class Trimex(gui_base_original.Modifier):
             self.extrudeMode = True
             self.ghost = [trackers.ghostTracker([self.obj])]
             self.normal = self.obj.Shape.Faces[0].normalAt(0.5, 0.5)
-            for v in self.obj.Shape.Vertexes:
-                self.ghost.append(trackers.lineTracker())
+            self.ghost += [trackers.lineTracker()] * len(self.obj.Shape.Vertexes)
         elif len(self.obj.Shape.Faces) > 1:
             # face extrude mode, a new object is created
             ss = Gui.Selection.getSelectionEx()[0]
@@ -132,8 +131,7 @@ class Trimex(gui_base_original.Modifier):
                     self.extrudeMode = True
                     self.ghost = [trackers.ghostTracker([self.obj])]
                     self.normal = self.obj.Shape.Faces[0].normalAt(0.5, 0.5)
-                    for v in self.obj.Shape.Vertexes:
-                        self.ghost.append(trackers.lineTracker())
+                    self.ghost += [trackers.lineTracker()] * len(self.obj.Shape.Vertexes)
         else:
             # normal wire trimex mode
             self.color = self.obj.ViewObject.LineColor