sync: Remove unused variable

Change-Id: I44ab990c89ab4da82c424bae95e463cabb12fd50
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/357136
Tested-by: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
diff --git a/subcmds/sync.py b/subcmds/sync.py
index b80d97b..9a8ca8f 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -498,7 +498,7 @@
         print('error: Cannot fetch %s from %s'
               % (project.name, project.remote.url),
               file=sys.stderr)
-    except KeyboardInterrupt as e:
+    except KeyboardInterrupt:
       print(f'Keyboard interrupt while processing {project.name}')
     except GitError as e:
       print('error.GitError: Cannot fetch %s' % str(e), file=sys.stderr)