releasing: fix a typo

Fix duplicate word "the".

Signed-off-by: Abdur Rehman <arehmanq199@gmail.com>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
diff --git a/releasing.txt b/releasing.txt
index 60952f9..cda0e21 100644
--- a/releasing.txt
+++ b/releasing.txt
@@ -73,7 +73,7 @@
       listing of the most notable changes.  For x.y.0 releases, indicate
       the schedule for the x.y+1.0 release.
 
-  6.  pgp sign the the release announcements and send them to
+  6.  pgp sign the release announcements and send them to
       wayland-devel@lists.freedesktop.org
 
   7.  Update releases.html in wayland-web with links to tarballs and