Drop python 2.7 support and testing

Change-Id: I3ff7a714d5fd61edd72e00c7a454c81724844f99
Closes-bug: #1853372
diff --git a/setup.cfg b/setup.cfg
index 1ae93ad..3ee7468 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,10 +13,9 @@
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
 
 [files]
 packages =