Nautilus integration: Remove Shebang from plugin source.

This fixes #4436

diff --git a/shell_integration/nautilus/syncstate.py b/shell_integration/nautilus/syncstate.py
old mode 100755 (executable)
new mode 100644 (file)
index 3223362..8682833
--- a/shell_integration/nautilus/syncstate.py
+++ b/shell_integration/nautilus/syncstate.py
@@ -1,4 +1,3 @@
-#!/usr/bin/python3
 #
 # Copyright (C) by Klaas Freitag <freitag@owncloud.com>
 #