[sysadmin-bin] Drop the export and the sudo call, not needed

[Andrea Veri <av src gnome org>]

commit 44c98ccc6760bb201589e4cf08d305cac99ecaa0
Author: Andrea Veri <averi redhat com>
Date:   Tue Nov 14 12:21:50 2017 +0100

    Drop the export and the sudo call, not needed

 git/log-push |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/git/log-push b/git/log-push
index 88aa571..b373a85 100755
--- a/git/log-push
+++ b/git/log-push
@@ -15,8 +15,7 @@ fi
 LOG_FILE="$GIT_DIR/gnome_pushlog"
 
 if [ $(hostname) == 'gitlab.gnome.org' ]; then
-    export $GL_USERNAME
-    user=`sudo /home/admin/bin/gitlab/fetch-username.py` 
+    user=`/home/admin/bin/gitlab/fetch-username.py`
 else
     user=$(whoami)
 fi