Remove pattern library of course_experience/course-outline-fragment.html

lms/static/sass/features/_course-experience.scss

@@ -412,6 +412,16 @@
       }
     }
   }
+
+  .fa-chevron-right {
+    transform: rotateY(0deg) #{"/*rtl: rotateY(180deg)*/"};
+    font-size: inherit;
+
+    &.fa-rotate-90 {
+      transform: rotate(90deg) #{"/*rtl: rotate(90deg)*/"};
+      font-size: inherit;
+    }
+  }
 }
 
 #expand-collapse-outline-all-button {

openedx/features/course_experience/views/course_outline.py

@@ -45,6 +45,7 @@ class CourseOutlineFragmentView(EdxFragmentView):
     """
     Course outline fragment to be shown in the unified course view.
     """
+    _uses_pattern_library = False
 
     def render_to_fragment(self, request, course_id, user_is_enrolled=True, **kwargs):  # pylint: disable=arguments-differ
         """