fix pypi classifier (extra comma)

Author: wuub

setup.cfg

@@ -20,7 +20,7 @@ classifiers =
     Intended Audience :: Developers
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent
-    Topic :: Home Automation,
+    Topic :: Home Automation
     Topic :: Software Development :: Libraries
     Topic :: Utilities
     Programming Language :: Python :: 3