Remove buildplate menu

The menu wasn't used anymore and leaving it in just makes things more complicated

resources/qml/Menus/BuildplateMenu.qml

@@ -1,36 +0,0 @@
-// Copyright (c) 2018 Ultimaker B.V.
-// Cura is released under the terms of the LGPLv3 or higher.
-
-import QtQuick 2.7
-import QtQuick.Controls 1.4
-
-import UM 1.2 as UM
-import Cura 1.0 as Cura
-
-Menu
-{
-    id: menu
-    title: "Build plate"
-
-    property var buildPlateModel: CuraApplication.getBuildPlateModel()
-
-    Instantiator
-    {
-        model: menu.buildPlateModel
-
-        MenuItem {
-            text: model.name
-            checkable: true
-            checked: model.name == Cura.MachineManager.globalVariantName
-            exclusiveGroup: group
-            onTriggered: {
-                Cura.MachineManager.setGlobalVariant(model.container_node);
-            }
-        }
-
-        onObjectAdded: menu.insertItem(index, object)
-        onObjectRemoved: menu.removeItem(object)
-    }
-
-    ExclusiveGroup { id: group }
-}

resources/qml/Menus/SettingsMenu.qml

@@ -57,13 +57,6 @@ Menu
         onObjectRemoved: base.removeItem(object)
     }
 
-    // TODO Only show in dev mode. Remove check when feature ready
-    BuildplateMenu
-    {
-        title: catalog.i18nc("@title:menu", "&Build plate")
-        visible: CuraSDKVersion == "dev" && Cura.MachineManager.hasVariantBuildplates
-    }
-
     MenuSeparator { }
 
     MenuItem { action: Cura.Actions.configureSettingVisibility }