Remove the value of retraction combing in S3 and S5

So that they can inherit the formula of calculating the retraction combing from the fdmprinter. This way, the combing will be changed according to whether the monotonic top/bottom order and ironing are used.

CURA-7976

resources/definitions/ultimaker_s3.def.json

@@ -158,7 +158,6 @@
         "meshfix_maximum_resolution": { "value": "(speed_wall_0 + speed_wall_x) / 60" },
         "meshfix_maximum_deviation": { "value": "layer_height / 4" },
         "optimize_wall_printing_order": { "value": "True" },
-        "retraction_combing": { "value": "all" },
         "initial_layer_line_width_factor": { "value": "120" },
         "zig_zaggify_infill": { "value": "gradual_infill_steps == 0" }
     }

resources/definitions/ultimaker_s5.def.json

@@ -160,7 +160,6 @@
         "meshfix_maximum_resolution": { "value": "(speed_wall_0 + speed_wall_x) / 60" },
         "meshfix_maximum_deviation": { "value": "layer_height / 4" },
         "optimize_wall_printing_order": { "value": "True" },
-        "retraction_combing": { "value": "all" },
         "initial_layer_line_width_factor": { "value": "120" },
         "zig_zaggify_infill": { "value": "gradual_infill_steps == 0" },
         "build_volume_temperature": { "maximum_value": 50 }