feat(*): remove config.apollo from configuration

BREAKING CHANGE:
drop extending apollo through config

src/graphqlServer.js

@@ -16,8 +16,6 @@ const schema = require('./graphqlSchema')
 
 const isDevelopment = process.env.NODE_ENV === 'development'
 
-const extraApolloConfig = config.has('apollo') ? config.get('apollo') : {}
-
 const createGraphQLServer = testUserContext => {
   if (process.env.NODE_ENV !== 'test' && testUserContext) {
     throw new Error(
@@ -74,7 +72,6 @@ const createGraphQLServer = testUserContext => {
       }
     },
     introspection: process.env.NODE_ENV === 'development',
-    ...extraApolloConfig,
   }
 
   if (isDevelopment) {