GHA: windows-2019 image is gone, remove msvc 14-2

Author: jll63

.github/workflows/ci.yml

@@ -271,7 +271,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { toolset: msvc-14.2, cxxstd: '17,20',       addrmd: '32,64', os: windows-2022 }
           - { toolset: msvc-14.3, cxxstd: '17,20,latest',addrmd: '32,64', os: windows-2022 }
           - { name: Collect coverage, coverage: yes,
               toolset: msvc-14.3, cxxstd: 'latest',         addrmd: '64',    os: windows-2022 }