Fix duplicated email for Jubilee

Author: Noratrieb

.mailmap

@@ -341,7 +341,7 @@ Josh Stone <cuviper@gmail.com> <jistone@redhat.com>
 Josh Stone <cuviper@gmail.com> <jistone@fedoraproject.org>
 Julia Ryan <juliaryan3.14@gmail.com> <josephryan3.14@gmail.com>
 Jubilee Young <workingjubilee@gmail.com> <46493976+workingjubilee@users.noreply.github.com>
-Jubilee Young <workingjubilee@gmail.com> <workingjubilee@gmail.com>
+Jubilee Young <workingjubilee@gmail.com>
 Julian Knodt <julianknodt@gmail.com>
 jumbatm <jumbatm@gmail.com> <30644300+jumbatm@users.noreply.github.com>
 Junyoung Cho <june0.cho@samsung.com>