remove references to python 2

Author: mavwolverine

setup.py

@@ -18,7 +18,7 @@
     description="JSON Python Logging",
     long_description=long_description,
     author="Bob T.",
-    keywords=["json", "elastic", "python", "python3", "python2", "logging", "logging-library", "json", "elasticsearch",
+    keywords=["json", "elastic", "python", "python3", "logging", "logging-library", "json", "elasticsearch",
               "elk", "elk-stack", "logstash", "kibana"],
     platforms='any',
     url="https://github.com/thangbn/json-logging",
@@ -28,7 +28,6 @@
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',
         'Topic :: System :: Logging',
         'Framework :: Flask',