Revert "Add UpdateGameMutation"

This reverts commit e9e61403a9.

api/schema.py

@@ -15,27 +15,6 @@ class Game(DjangoObjectType):
         fields = "__all__"
 
 
-class UpdateGameMutation(graphene.Mutation):
-    class Arguments:
-        id = graphene.ID(required=True)
-        name = graphene.String()
-        year_released = graphene.Int()
-        wikidata = graphene.String()
-
-    game = graphene.Field(Game)
-
-    def mutate(self, info, id, name=None, year_released=None, wikidata=None):
-        game_instance = GameModel.objects.get(pk=id)
-        if name is not None:
-            game_instance.name = name
-        if year_released is not None:
-            game_instance.year_released = year_released
-        if wikidata is not None:
-            game_instance.wikidata = wikidata
-        game_instance.save()
-        return UpdateGameMutation(game=game_instance)
-
-
 class Edition(DjangoObjectType):
     class Meta:
         model = EditionModel
@@ -100,8 +79,4 @@ class Query(graphene.ObjectType):
         return DeviceModel.objects.all()
 
 
-class Mutation(graphene.ObjectType):
+schema = graphene.Schema(query=Query)
-    update_game = UpdateGameMutation.Field()
-
-
-schema = graphene.Schema(query=Query, mutation=Mutation)