Revert "Merge branch '4.7' of github.com:Ultimaker/Cura into 4.7"

This reverts commit 7f47f12bf0, reversing
changes made to dd42c87da7.

plugins/3MFReader/UpdatableMachinesModel.py

@@ -1,43 +0,0 @@
-# Copyright (c) 2020 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-from typing import Dict, List
-
-from PyQt5.QtCore import Qt
-
-from UM.Qt.ListModel import ListModel
-from cura.Settings.GlobalStack import GlobalStack
-
-create_new_list_item = {
-    "id":   "new",
-    "name": "Create new",
-    "displayName": "Create new",
-    "type": "default_option"  # to make sure we are not mixing the "Create new" option with a printer with id "new"
-}  # type: Dict[str, str]
-
-
-class UpdatableMachinesModel(ListModel):
-    """Model that holds cura packages.
-
-    By setting the filter property the instances held by this model can be changed.
-    """
-
-    def __init__(self, parent = None) -> None:
-        super().__init__(parent)
-
-        self.addRoleName(Qt.UserRole + 1, "id")
-        self.addRoleName(Qt.UserRole + 2, "name")
-        self.addRoleName(Qt.UserRole + 3, "displayName")
-        self.addRoleName(Qt.UserRole + 4, "type")  # Either "default_option" or "machine"
-
-    def update(self, machines: List[GlobalStack]) -> None:
-        items = [create_new_list_item]  # type: List[Dict[str, str]]
-
-        for machine in sorted(machines, key = lambda printer: printer.name):
-            items.append({
-                "id":   machine.id,
-                "name": machine.name,
-                "displayName": "Update " + machine.name,
-                "type": "machine"
-            })
-        self.setItems(items)