Don't refer to "ecmaFeatures" in eslintrc
Don't refer to "ecmaFeatures" in eslintrc

Required in order to complete the upgrade.

graphql/graphql-js,graphql/graphql-js,jjergus/graphql-js,tgriesser/graphql-js,graphql/graphql-js,gabelevi/graphql-js,enaqx/graphql-js,tgriesser/graphql-js,jjergus/graphql-js,enaqx/graphql-js,baer/graphql-js,gabelevi/graphql-js,baer/graphql-js,enaqx/graphql-js