[git_cl] Fix ShouldUseSSO call

(This did not error since this code path is unreachable, to be fixed
in future CL)

Bug: b/348024314
Change-Id: I115b36a828d5e525c54cebdbec5480514e395da7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5651989
Reviewed-by: Yiwei Zhang <yiwzhang@google.com>
Commit-Queue: Allen Li <ayatane@chromium.org>

git_cl.py

@@ -3613,10 +3613,11 @@ def DownloadGerritHook(force):
 
 def ConfigureGitRepoAuth() -> None:
     """Configure the current Git repo authentication."""
+    logging.debug('Configuring current Git repo authentication...')
     cl = Changelist()
     cwd = os.getcwd()
     gerrit_host = cl.GetGerritHost()
-    if gerrit_util.ShouldUseSSO(email):
+    if gerrit_util.ShouldUseSSO():
         scm.GIT.SetConfig(cwd,
                           f'credential.{gerrit_host}.helper',
                           None,