Revert "Fixes #37501 - Clean up custom repositories from host registr…

…ation"

This reverts commit f884bab.

This is breaking workflow for users who expects to have
these repositories available even after the registration.

It also breaks workflow with custom packages that might
be consume from the repositories.

app/views/unattended/provisioning_templates/registration/global_registration.erb

@@ -153,17 +153,6 @@ register_katello_host(){
 # Set up subscription-manager
 <%= snippet("subscription_manager_setup", variables: { subman_setup_scenario: 'registration' }).strip -%>
 
-<% unless @repo_data.blank? -%>
-# clean repositories which were added for registration purposes (Katello context only)
-if [ x$PKG_MANAGER = xdnf -o x$PKG_MANAGER = xyum ]; then
-  rm -f /etc/yum.repos.d/foreman_registration*.repo
-elif [ x$PKG_MANAGER = xzypper ]; then
-  rm -f /etc/zypp/repos.d/foreman_register*.repo
-elif [ -f /etc/debian_version ]; then
-  rm -f /etc/apt/sources.list.d/foreman_registration*.list
-fi
-<% end %>
-
 subscription-manager register <%= '--force' if truthy?(@force) %> \
   --org='<%= @organization.label if @organization %>' \
   --activationkey='<%= activation_keys %>' || <%= truthy?(@ignore_subman_errors) ? 'true' : 'cleanup_and_exit 1' %>