setup.py: remove push_doc command.

setup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-from setuptools import setup, find_packages, Command
+from setuptools import setup, find_packages
 import sys
 import os
 
@@ -11,20 +11,6 @@ if sys.version_info[:3] < (3, 5, 0):
     raise Exception("You need Python 3.5.0+")
 
 
-class PushDocCommand(Command):
-    description = "uploads the documentation to m-labs.hk"
-    user_options = []
-
-    def initialize_options(self):
-        pass
-
-    def finalize_options(self):
-        pass
-
-    def run(self):
-        os.system("rsync -avz doc/manual/_build/html/ shell.serverraum.org:~/web/m-labs.hk/artiq/manual")
-
-
 requirements = [
     "sphinx", "sphinx-argparse", "pyserial", "numpy", "scipy",
     "python-dateutil", "prettytable", "h5py", "pydaqmx", "pyelftools",
@@ -52,9 +38,6 @@ scripts = [
     "thorlabs_tcube_controller=artiq.frontend.thorlabs_tcube_controller:main",
 ]
 
-cmdclass = {"push_doc": PushDocCommand}
-cmdclass.update(versioneer.get_cmdclass())
-
 setup(
     name="artiq",
     version=versioneer.get_version(),
@@ -77,6 +60,5 @@ setup(
     ext_modules=[],
     entry_points={
         "console_scripts": scripts,
-    },
-    cmdclass=cmdclass
+    }
 )