refactor: remove MTPlanAttrs to doctest

test/doc/Main.hs

@@ -16,4 +16,5 @@ main =
     , "src/PostgREST/ApiRequest/Preferences.hs"
     , "src/PostgREST/ApiRequest/QueryParams.hs"
     , "src/PostgREST/Error.hs"
+    , "src/PostgREST/MediaType.hs"
     ]

test/spec/Feature/Query/PlanSpec.hs

@@ -254,7 +254,7 @@ spec actualPgVersion = do
           resStatus  = simpleStatus r
 
       liftIO $ do
-        resHeaders `shouldSatisfy` elem ("Content-Type", "application/vnd.pgrst.plan+text; charset=utf-8")
+        resHeaders `shouldSatisfy` elem ("Content-Type", "application/vnd.pgrst.plan; charset=utf-8")
         resStatus `shouldBe` Status { statusCode = 200, statusMessage="OK" }
         resBody `shouldSatisfy` (\t -> LBS.take 9 t == "Aggregate")