support/testing: fix test_lua_cffi.py flake8 error

support/testing/tests/package/test_lua_cffi.py:14:1: W391 blank line at end of file

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

support/testing/tests/package/test_lua_cffi.py

@@ -11,4 +11,3 @@ class TestLuaLuaCffi(TestLuaBase):
     def test_run(self):
         self.login()
         self.module_test("cffi")
-