fix linting error

Author: 45930

src/resolvers.ts

@@ -1,7 +1,6 @@
 import { makeExecutableSchema } from '@graphql-tools/schema';
 import { loadSchemaSync } from '@graphql-tools/load';
 import { GraphQLFileLoader } from '@graphql-tools/graphql-file-loader';
-import { GraphQLError } from 'graphql';
 
 import { Resolvers } from './resolvers-types.js';
 import {