Revert "1223506 import client name from sites"

This reverts commit 085f3501.

This is not the right way of fixing this - it's a frontend problem.

platform/import.provision.inc

@@ -25,8 +25,6 @@ function drush_provision_drupal_post_provision_import() {
     d()->aliases = drush_set_option('aliases', provision_drupal_find_aliases());
     d()->write_alias();
 
-    drush_set_option('client_name', drush_get_option('client_name', 'admin', 'site'));
-
     // set this in the site options too so it recurrs.
     drush_set_option('aliases', drush_get_option('aliases'),  'site');