Combine translations into one definition

Change to using the same placeholders in Vue and Ruby

app/assets/javascripts/vue_shared/components/user_popover/user_popover.vue

@@ -56,8 +56,8 @@ export default {
 
       if (organization && jobTitle) {
         return {
-          message: s__('Profile|%{jobTitle} at %{organization}'),
-          placeholders: { organization, jobTitle },
+          message: s__('Profile|%{job_title} at %{organization}'),
+          placeholders: { job_title: jobTitle, organization },
         };
       } else if (organization) {
         return organization;

locale/gitlab.pot

@@ -15148,9 +15148,6 @@ msgstr ""
 msgid "Profiles|your account"
 msgstr ""
 
-msgid "Profile|%{jobTitle} at %{organization}"
-msgstr ""
-
 msgid "Profile|%{job_title} at %{organization}"
 msgstr ""