Delete some unused methods

✂️


(transferred from ManageIQ/manageiq@6047c65)

app/controllers/api/base_controller/parser.rb

@@ -126,18 +126,6 @@ def parse_tenant(resource)
         parse_id(resource, :tenants) unless resource.blank?
       end
 
-      def fetch_provider(data)
-        provider_id = parse_id(data, :providers)
-        raise BadRequestError, 'Missing Provider identifier href or id' if provider_id.nil?
-        resource_search(provider_id, :providers, collection_class(:providers))
-      end
-
-      def fetch_availability_zone(data)
-        availability_zone_id = parse_id(data, :availability_zones)
-        raise BadRequestError, 'Missing availability zone identifier href or id' if availability_zone_id.nil?
-        resource_search(availability_zone_id, :availability_zones, collection_class(:availability_zones))
-      end
-
       def parse_ownership(data)
         {
           :owner => collection_class(:users).find_by(:id => parse_owner(data["owner"])),