Removed MSVC-12 job from AppVeyor CI.

Lastique · Lastique · commit 46ffe06b3dc4 · 2024-10-11T00:21:46.000+03:00
This compiler is no longer supported by Boost.SmartPtr that is
used in tests.
diff --git a/appveyor.yml b/appveyor.yml
@@ -15,9 +15,6 @@ branches:
 
 environment:
   matrix:
-    - TOOLSET: msvc-12.0
-      ADDRMD: 32,64
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: msvc-14.0
       CXXSTD: 14,latest
       ADDRMD: 32,64
