Remove old code

plugin-api/beta/client/hocs/index.js

@@ -10,6 +10,7 @@ export {
   withSignIn,
   withSignUp,
   withResendEmailConfirmation,
+  withSetUsername,
 } from 'coral-framework/hocs';
 export {
   withIgnoreUser,

plugin-api/beta/client/selectors/auth.js

@@ -0,0 +1,6 @@
+import get from 'lodash/get';
+
+export const usernameStatusSelector = state =>
+  get(state, 'auth.user.status.username.status');
+
+export const usernameSelector = state => get(state, 'auth.user.username');