git-review: Use the hostname instead of alias.

Change-Id: Ibbcb29b411bf413bf110c7d734ff8dc2763b2708
Reviewed-on: https://gerrit.libreoffice.org/72351
Tested-by: Jenkins
Reviewed-by: Jan Holesovsky <kendy@collabora.com>

.gitreview

 [gerrit]
-host=logerrit
+host=gerrit.libreoffice.org
 port=29418
 project=core
 defaultremote=logerrit