Remove bogus line

2016-09-23 22:16:42 +03:00 · 2016-09-23 22:16:42 +03:00 · 48ca292430
--- a/README.md
+++ b/README.md
@ -117,4 +117,3 @@ docker exec -i -t -u root realms-wiki /usr/sbin/update-ca-certificates
 ```

 Restart the container and try again.
-docker exec -i -t -u root realms-wiki /usr/sbin/update-ca-certificates