Update init script only once

The init script is already being updated in section 6.

doc/update/8.1-to-8.2.md

@@ -85,11 +85,10 @@ sudo -u git -H git checkout 0.4.2
 sudo -u git -H make
 ```
-Update the GitLab init script and 'default' file.
+Update the GitLab 'default' file.
 ```
 cd /home/git/gitlab
-sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
 test -e /etc/default/gitlab && \
   sudo sed -i.pre-8.2 's/^\([^=]*\)gitlab_git_http_server/\1gitlab_workhorse/' /etc/default/gitlab
 ```