Remove support for VS2019

Update badges and download links to VS2022

Remove kokoro build config for MSVC 2019. I have already removed
the branch protection rule requiring it as a check.

Bug: Google-internal bug crbug.com/437082422

Author: dneto0

README.md

@@ -28,7 +28,7 @@ to provide:
 
 <img alt="Linux" src="kokoro/img/linux.png" width="20px" height="20px" hspace="2px"/>[![Linux Build Status](https://storage.googleapis.com/shaderc/badges/build_status_linux_clang_release.svg)](https://storage.googleapis.com/shaderc/badges/build_link_linux_clang_release.html)
 <img alt="MacOS" src="kokoro/img/macos.png" width="20px" height="20px" hspace="2px"/>[![MacOS Build Status](https://storage.googleapis.com/shaderc/badges/build_status_macos_clang_release.svg)](https://storage.googleapis.com/shaderc/badges/build_link_macos_clang_release.html)
-<img alt="Windows" src="kokoro/img/windows.png" width="20px" height="20px" hspace="2px"/>[![Windows Build Status](https://storage.googleapis.com/shaderc/badges/build_status_windows_vs2019_release.svg)](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2019_release.html)
+<img alt="Windows" src="kokoro/img/windows.png" width="20px" height="20px" hspace="2px"/>[![Windows Build Status](https://storage.googleapis.com/shaderc/badges/build_status_windows_vs2022_amd64_release.svg)](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2022_release.html)
 
 [More downloads](downloads.md)
 
@@ -176,7 +176,7 @@ On Linux, if cross compiling to Windows:
 
 On Windows, the following tools should be installed and available on your path:
 
-- Visual Studio 2019 or later. Previous versions of Visual Studio may work but
+- Visual Studio 2022 or later. Previous versions of Visual Studio may work but
   are untested and unsupported.
 - Git - including the associated tools, Bash, `diff`.
 

downloads.md

@@ -7,11 +7,11 @@ Download the latest builds.
 ## Release
 | Windows | Linux | MacOS |
 | --- | --- | --- |
-| [MSVC 2019](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2019_release.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_linux_clang_release.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_macos_clang_release.html) |
+| [VS 2022](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2022_amd64_release.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_linux_clang_release.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_macos_clang_release.html) |
 | | [gcc](https://storage.googleapis.com/shaderc/badges/build_link_linux_gcc_release.html) | |
 
 ## Debug
 | Windows | Linux | MacOS |
 | --- | --- | --- |
-| [MSVC 2019](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2019_debug.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_linux_clang_debug.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_macos_clang_debug.html) |
+| [VS 2022](https://storage.googleapis.com/shaderc/badges/build_link_windows_vs2022_amd64_debug.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_linux_clang_debug.html) | [clang](https://storage.googleapis.com/shaderc/badges/build_link_macos_clang_debug.html) |
 | | [gcc](https://storage.googleapis.com/shaderc/badges/build_link_linux_gcc_debug.html) | |

kokoro/windows/build.bat

@@ -38,9 +38,7 @@ cd %SRC%\build
 :: #########################################
 :: set up msvc build env
 :: #########################################
-if %VS_VERSION% == 2019 (
-  call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" %ARCH%
-) else if %VS_VERSION% == 2022 (
+if %VS_VERSION% == 2022 (
   call "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvarsall.bat" %ARCH%
 )