Move 'lay flat by face' operation to Uranium.

cura/CuraActions.py

@@ -75,39 +75,6 @@ class CuraActions(QObject):
             operation.addOperation(center_operation)
         operation.push()
 
-    # Rotate the selection, so that the face that the mouse-pointer is on, faces the build-plate.
-    @pyqtSlot()
-    def bottomFaceSelection(self) -> None:
-        selected_face = Selection.getSelectedFace()
-        if not selected_face:
-            Logger.log("e", "Bottom face operation shouldn't have been called without a selected face.")
-            return
-
-        original_node, face_id = selected_face
-        meshdata = original_node.getMeshDataTransformed()
-        if not meshdata or face_id < 0 or face_id > Selection.getMaxFaceSelectionId():
-            return
-
-        rotation_point, face_normal = meshdata.getFacePlane(face_id)
-        rotation_point_vector = Vector(rotation_point[0], rotation_point[1], rotation_point[2])
-        face_normal_vector = Vector(face_normal[0], face_normal[1], face_normal[2])
-        rotation_quaternion = Quaternion.rotationTo(face_normal_vector.normalized(), Vector(0.0, -1.0, 0.0))
-
-        operation = GroupedOperation()
-        current_node = None  # type: Optional[SceneNode]
-        for node in Selection.getAllSelectedObjects():
-            current_node = node
-            parent_node = current_node.getParent()
-            while parent_node and parent_node.callDecoration("isGroup"):
-                current_node = parent_node
-                parent_node = current_node.getParent()
-        if current_node is None:
-            return
-
-        rotate_operation = RotateOperation(current_node, rotation_quaternion, rotation_point_vector)
-        operation.addOperation(rotate_operation)
-        operation.push()
-
     ##  Multiply all objects in the selection
     #
     #   \param count The number of times to multiply the selection.