fix: move recommendations to edx-recommendations

Move recommendations related code to separate plugin edx-recommendations.

VAN-1596

lms/djangoapps/learner_recommendations/views.py

@@ -204,6 +204,9 @@ def get(self, request, course_id):
 
 class RecommendationsContextView(APIView):
     """
+    IMPORTANT: Please do not update or use this API. This code has been moved to edx-recommendations plugin.
+    Please use that plugin for further code changes. This API will be removed as part of VAN-1427.
+
     *Example Request*
 
     GET /api/learner_recommendations/recommendations_context/
@@ -235,6 +238,9 @@ def get(self, request):
 
 class ProductRecommendationsView(APIView):
     """
+    IMPORTANT: Please do not update or use this API. This code has been moved to edx-recommendations plugin.
+    Please use that plugin for further code changes. This API will be removed as part of VAN-1427.
+
     **Example Request**
 
     GET api/learner_recommendations/product_recommendations/
@@ -380,6 +386,9 @@ def get(self, request, course_id=None):
 
 class DashboardRecommendationsApiView(APIView):
     """
+    IMPORTANT: Please do not update or use this API. This code has been moved to edx-recommendations plugin.
+    Please use that plugin for further code changes. This API will be removed as part of VAN-1427.
+
     API to get personalized recommendations from Amplitude.
 
     **Example Request**