Remove duplicate text from create group description

Changelog: fixed

app/assets/javascripts/pages/groups/new/components/create_group_description_details.vue

@@ -20,7 +20,7 @@ export default {
       <gl-sprintf
         :message="
           s__(
-            'GroupsNew|%{linkStart}Groups%{linkEnd} allow you to manage and collaborate across multiple projects. Members of a group have access to all of its projects. Groups can also be nested by creating subgroups.',
+            'GroupsNew|%{linkStart}Groups%{linkEnd} allow you to manage and collaborate across multiple projects. Members of a group have access to all of its projects.',
           )
         "
       >

locale/gitlab.pot

@@ -16634,7 +16634,7 @@ msgstr ""
 msgid "GroupsEmptyState|You can manage your group member’s permissions and access to each project in the group."
 msgstr ""
 
-msgid "GroupsNew|%{linkStart}Groups%{linkEnd} allow you to manage and collaborate across multiple projects. Members of a group have access to all of its projects. Groups can also be nested by creating subgroups."
+msgid "GroupsNew|%{linkStart}Groups%{linkEnd} allow you to manage and collaborate across multiple projects. Members of a group have access to all of its projects."
 msgstr ""
 
 msgid "GroupsNew|Assemble related projects together and grant members access to several projects at once."