Revert "Render labels using Text.QtRendering on OSX"

This reverts commit f0e3c19a34.

plugins/3MFReader/WorkspaceDialog.qml

@@ -437,6 +437,7 @@ UM.Dialog
                 {
                     id: warningLabel
                     text: catalog.i18nc("@action:warning", "Loading a project will clear all models on the build plate.")
+                    wrapMode: Text.Wrap
                 }
             }
         }