Drop python2 builds.

appveyor.yml

@@ -7,14 +7,6 @@ environment:
 
   matrix:
 
-    - PYTHON: "C:\\Python27"
-      PYTHON_VERSION: "2.7.x"
-      PYTHON_ARCH: "32"
-
-    - PYTHON: "C:\\Python27-x64"
-      PYTHON_VERSION: "2.7.x"
-      PYTHON_ARCH: "64"
-
     - PYTHON: "C:\\Python35"
       PYTHON_VERSION: "3.5.x"
       PYTHON_ARCH: "32"