Remove warnings that will never be visible

This was copied from the error state, where it does matter, but the warning state is not shown if the setting is not enabled.

Contributes to issue CURA-7384.

resources/definitions/tronxy_x.def.json

@@ -101,15 +101,15 @@
         "filter_out_tiny_gaps": { "value": false },
 
         "retraction_speed": {
-            "maximum_value_warning": "machine_max_feedrate_e if retraction_enable else float('inf')",
+            "maximum_value_warning": "machine_max_feedrate_e",
             "maximum_value": 200
         },
         "retraction_retract_speed": {
-            "maximum_value_warning": "machine_max_feedrate_e if retraction_enable else float('inf')",
+            "maximum_value_warning": "machine_max_feedrate_e",
             "maximum_value": 200
         },
         "retraction_prime_speed": {
-            "maximum_value_warning": "machine_max_feedrate_e if retraction_enable else float('inf')",
+            "maximum_value_warning": "machine_max_feedrate_e",
             "maximum_value": 200
         },