Dropped verification of the branch which is now handled in the schema validation layer

taar/recommenders/recommendation_manager.py

@@ -134,8 +134,6 @@ class RecommendationManager:
         branch_selector = extra_data.get('branch', INTERVENTION_CONTROL)
         branch_selector = branch_selector.replace('-', '_')
 
-        if branch_selector not in (INTERVENTION_CONTROL, INTERVENTION_A, INTERVENTION_B):
-            return []
         branch_method = getattr(self, 'recommend_%s' % branch_selector)
         return branch_method(client_info, client_id, limit, extra_data)