fix for type_cast_calculated_value has already been applied to rails …

…5.2, so we don't need to it anymore

lib/active_record/connection_adapters/sqlserver/core_ext/calculations.rb

@@ -31,15 +31,6 @@ def calculate(operation, column_name)
           def build_count_subquery(relation, column_name, distinct)
             super(relation.unscope(:order), column_name, distinct)
           end
-
-          def type_cast_calculated_value(value, type, operation = nil)
-            case operation
-            when "count"   then value.to_i
-            when "sum"     then type.deserialize(value || 0)
-            when "average" then value&.respond_to?(:to_d) ? value.to_d : value
-            else type.deserialize(value)
-            end
-          end
         end
       end
     end