Fix duplicate text in translation.md

doc/development/i18n/translation.md

@@ -29,7 +29,6 @@ GitLab is being translated into many languages.
    - If the language you are looking for is not available,
       [open an issue](https://gitlab.com/gitlab-org/gitlab/-/issues?scope=all&utf8=✓&state=all&label_name[]=Category%3AInternationalization). Notify our Crowdin
       administrators by including `@gitlab-org/manage/import` in your issue.
-      in the issue.
    - After the issue/Merge Request is complete, restart this procedure.
 1. Next, you can view list of files and folders.
    Select `gitlab.pot` to open the translation editor.