Remove VS2019 CI jobs

Author: ChrisThrasher

.github/workflows/ci.yml

@@ -22,8 +22,6 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-        - { name: Windows VS2019 x86,  os: windows-2019, flags: -AWin32 }
-        - { name: Windows VS2019 x64,  os: windows-2019, flags: -Ax64 }
         - { name: Windows VS2022 x86,  os: windows-2022, flags: -AWin32 }
         - { name: Windows VS2022 x64,  os: windows-2022, flags: -Ax64 }
         - { name: Windows ClangCL,     os: windows-2022, flags: -T ClangCL }