test: Stop testing with Visual Studio 2013 because of incompatible CMake in Appveyor image

Author: j-ulrich

.appveyor.yml

@@ -37,13 +37,6 @@ environment:
           VCVARS_COMMANDLINE: '"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86'
           CMAKE_INSTALL_PATH: 'C:\Program Files (x86)\CMake'
 
-        - job_name: VS 2013 x86, Qt 5.6
-          APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-          CMAKE_GENERATOR: Visual Studio 12 2013
-          QT_DIR: C:\Qt\5.6\msvc2013
-          VCVARS_COMMANDLINE: '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" x86'
-          CMAKE_INSTALL_PATH: 'C:\Program Files (x86)\CMake'
-
 cache:
     - C:\.hunter -> .appveyor.yml, **\CMakeLists.txt, **\*.cmake
 

CHANGELOG.md

@@ -18,6 +18,9 @@ This changelog follows the [Keep a Changelog](http://keepachangelog.com) format.
 ### Changed ###
 - {Qt} `networkErrorToStatusCode()` now returns a `Code` instead of `int`.
 
+### Removed ###
+- Testing with Visual Studio 2013 because of outdated CMake.
+
 
 ---