feat(overmind-graphql): fetch polyfill added

Author: Michael Kaserer

packages/node_modules/overmind-graphql/src/index.ts

@@ -3,15 +3,11 @@ import { GraphQLClient } from 'graphql-request';
 import { RequestInit } from 'graphql-request/dist/types.dom';
 import { print } from 'graphql/language/printer';
 import { Socket as PhoenixSocket } from 'phoenix';
-import { Headers } from 'cross-fetch';
+import 'cross-fetch/polyfill';
 
 import gqlTag from 'graphql-tag';
 
 
-// Fix for issue in version 3.1.0 of graphql-request: https://github.com/prisma-labs/graphql-request/issues/206
-// @ts-ignore
-global.Headers = global.Headers || Headers;
-
 export interface Query<Result extends any, Payload extends any = void> {
   (payload: Payload): Result;
 }
@@ -119,11 +115,8 @@ export const graphql: <T extends Queries>(
           : {};
 
       if (_clients[_http.endpoint]) {
-        console.log("SET HEADERS")
         _clients[_http.endpoint].setHeaders(headers);
       } else {
-        console.log("HEADERS", typeof headers, headers)
-        console.log("HEADERS ALREADY SET", headers)
         _clients[_http.endpoint] = new GraphQLClient(_http.endpoint, {
           ..._http.options,
           headers,