[sysadmin-bin] Don't encode user_fullname as bytestring

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 5f733171b248e681d780c3d603d05acf45a28f8c
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Fri Jul 31 06:54:44 2020 +0200

    Don't encode user_fullname as bytestring

 git/gnome-post-receive-email | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/git/gnome-post-receive-email b/git/gnome-post-receive-email
index f7db159..cff1a54 100755
--- a/git/gnome-post-receive-email
+++ b/git/gnome-post-receive-email
@@ -134,9 +134,6 @@ class RefChange(object):
 
     def generate_header(self, out, subject, include_revs=True, oldrev=None, newrev=None, cc=None):
         if user_fullname:
-            if not isinstance(user_fullname, str):
-                user_fullname = user_fullname.decode("utf-8")
-
             from_address = "%s <%s src gnome org>" % (Header(user_fullname), user_entry)
         else:
             if socket.gethostname() == 'gitlab.gnome.org':
@@ -994,7 +991,7 @@ def main():
                     username = 
user.attributes['identities'][index]['extern_uid'].split(',')[0].replace('uid=', '')
 
                     user_fullname = user.attributes['name']
-                    user_fullname = user_fullname.encode('utf-8')
+                    user_fullname = user_fullname
 
                     user_entry = username