fix(plugins/base): job availability status (#1081)

tests/mocks/api/github/graphql/base.user.mjs

@@ -9,7 +9,6 @@ export default function({faker, query, login = faker.internet.userName()}) {
       createdAt: `${faker.date.past(10)}`,
       avatarUrl: faker.image.people(),
       websiteUrl: faker.internet.url(),
-      isHireable: faker.datatype.boolean(),
       twitterUsername: login,
     },
   })