CI: Remove VS 2015 build. [skip ci]

VS 2015 is approximately 10 years old; get tid of the VS 2015 builds.

diff --git a/.appveyor.yml b/.appveyor.yml
index 492f02a05f42d7724367c1aa99c51e9d54ea4e48..3acf494e752264ae3ca0848cfd99ea24248cd6bd 100644 (file)
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -15,14 +15,6 @@ install:
 
 environment:
   matrix:
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      GENERATOR: "Visual Studio 14 2015"
-      PLATFORM: Win32
-      SDK: npcap-sdk-1.13
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      GENERATOR: "Visual Studio 14 2015"
-      PLATFORM: x64
-      SDK: npcap-sdk-1.13
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       GENERATOR: "Visual Studio 15 2017"
       PLATFORM: Win32