Use the public CE repo URL instead of the one used in the runner

This will prevent the task to advertise using
https://gitlab-ci-token:xxxxxxxxxxxxxxxxxxxx@gitlab.com/gitlab-org/gitlab-ce.git
when https://gitlab.com/gitlab-org/gitlab-ce.git is enough

Signed-off-by: Rémy Coutable <remy@rymai.me>

lib/tasks/gitlab/dev.rake

@@ -4,10 +4,7 @@ namespace :gitlab do
     task :ee_compat_check, [:branch] => :environment do |_, args|
       opts =
         if ENV['CI']
-          {
-            branch: ENV['CI_BUILD_REF_NAME'],
-            ce_repo: ENV['CI_BUILD_REPO']
-          }
+          { branch: ENV['CI_BUILD_REF_NAME'] }
         else
           unless args[:branch]
             puts "Must specify a branch as an argument".color(:red)