Fix default quality level for Creality CR-10 printers

Instead of having a default layer height of 0.2mm, we change the default quality profile to be the one with a layer height of 0.2mm. This fixes up the quality slider.

resources/definitions/creality_cr10.def.json

@@ -7,7 +7,8 @@
         "visible": true,
         "author": "Michael Wildermuth",
         "manufacturer": "Creality3D",
-        "file_formats": "text/x-gcode"
+        "file_formats": "text/x-gcode",
+        "preferred_quality": "*Draft*"
     },
     "overrides": {
         "machine_width": {
@@ -25,9 +26,6 @@
         "machine_nozzle_size": {
             "default_value": 0.4
         },
-        "layer_height": {
-            "default_value": 0.2
-        },
         "layer_height_0": {
             "default_value": 0.2
         },