locale: fix English grammar for delete repository dialog (gogs#4862)

* fix typo in en-US delete dialog

* fix typo in en-GB delete dialog

* improve en-GB delete dialog language

* improve en-US delete dialog language

Author: 33mhz

conf/locale/locale_en-GB.ini

@@ -757,7 +757,7 @@ settings.wiki_deletion_success=Repository wiki data have been erased successfull
 settings.delete=Delete This Repository
 settings.delete_desc=Once you delete a repository, there is no going back. Please be certain.
 settings.delete_notices_1=- This operation <strong>CANNOT</strong> be undone.
-settings.delete_notices_2=- This operation will permanently delete the everything of this repository, including Git data, issues, comments and accesses of collaborators.
+settings.delete_notices_2=- This operation will permanently delete everything in this repository, including Git data, issues, comments and collaborator access.
 settings.delete_notices_fork_1=- All forks will become independent after deletion.
 settings.deletion_success=Repository has been deleted successfully!
 settings.update_settings_success=Repository options has been updated successfully.

conf/locale/locale_en-US.ini

@@ -761,7 +761,7 @@ settings.wiki_deletion_success = Repository wiki data have been erased successfu
 settings.delete = Delete This Repository
 settings.delete_desc = Once you delete a repository, there is no going back. Please be certain.
 settings.delete_notices_1 = - This operation <strong>CANNOT</strong> be undone.
-settings.delete_notices_2 = - This operation will permanently delete the everything of this repository, including Git data, issues, comments and accesses of collaborators.
+settings.delete_notices_2 = - This operation will permanently delete everything in this repository, including Git data, issues, comments and collaborator access.
 settings.delete_notices_fork_1 = - All forks will become independent after deletion.
 settings.deletion_success = Repository has been deleted successfully!
 settings.update_settings_success = Repository options has been updated successfully.