Merge pull request #3767 from boegel/rip_python26

remove Python 2.6 from list of supported Python versions in setup.py

Author: migueldiascosta

setup.py

@@ -109,7 +109,6 @@ def find_rel_test():
         "Intended Audience :: System Administrators",
         "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
         "Operating System :: POSIX :: Linux",
-        "Programming Language :: Python :: 2.6",
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",