Bug fix - text_customization should not show in settings

Also change test to not expect text_customization

cms/djangoapps/contentstore/features/problem-editor.py

@@ -10,7 +10,6 @@ MAXIMUM_ATTEMPTS = "Maximum Attempts"
 PROBLEM_WEIGHT = "Problem Weight"
 RANDOMIZATION = 'Randomization'
 SHOW_ANSWER = "Show Answer"
-TEXT_CUSTOMIZATION = "text_customization"
 
 
 @step('I have created a Blank Common Problem$')
@@ -38,7 +37,6 @@ def i_see_advanced_settings_with_values(step):
             [PROBLEM_WEIGHT, "", False],
             [RANDOMIZATION, "Never", False],
             [SHOW_ANSWER, "Finished", False],
-            [TEXT_CUSTOMIZATION, "[object Object]", False]
         ])
 
 

common/lib/xmodule/xmodule/capa_module.py

@@ -1190,5 +1190,6 @@ class CapaDescriptor(CapaFields, RawDescriptor):
     def non_editable_metadata_fields(self):
         non_editable_fields = super(CapaDescriptor, self).non_editable_metadata_fields
         non_editable_fields.extend([CapaDescriptor.due, CapaDescriptor.graceperiod,
-                                    CapaDescriptor.force_save_button, CapaDescriptor.markdown])
+                                    CapaDescriptor.force_save_button, CapaDescriptor.markdown,
+                                    CapaDescriptor.text_customization])
         return non_editable_fields