Get rid of test_smoke.py

If anything is broken in those tests, other tests are going to be broken
as well, so this is just a waste of time.

tests/end2end/test_smoke.py

@@ -1,51 +0,0 @@
-# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
-
-# Copyright 2015-2016 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
-#
-# This file is part of qutebrowser.
-#
-# qutebrowser is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# qutebrowser is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
-
-"""Test which simply runs qutebrowser to check if it starts properly."""
-
-import sys
-import os.path
-import subprocess
-import signal
-
-import pytest
-
-
-@pytest.mark.parametrize('cmd', [':quit', ':later 500 quit'])
-def test_smoke(cmd, capfd):
-    if hasattr(sys, 'frozen'):
-        argv = [os.path.join(os.path.dirname(sys.executable), 'qutebrowser')]
-    else:
-        argv = [sys.executable, '-m', 'qutebrowser']
-    argv += ['--debug', '--no-err-windows', '--temp-basedir', 'about:blank',
-             cmd]
-    try:
-        subprocess.check_call(argv)
-    except subprocess.CalledProcessError as e:
-        if e.returncode == -signal.SIGSEGV:
-            _out, err = capfd.readouterr()
-            assert 'Uncaught exception' not in err
-            # https://github.com/The-Compiler/qutebrowser/issues/1387
-            pytest.xfail("Ignoring segfault on exit...")
-        else:
-            raise
-
-
-def test_smoke_quteproc(quteproc):
-    pass