Remove workaround for obsolete GitHub Windows image (from 2024).

PiperOrigin-RevId: 929179278
Change-Id: Ia50305679f5736fce5e3a41a1cbe0379e4afa7de

.github/workflows/build.yml

@@ -199,17 +199,6 @@ jobs:
         CMAKE_BUILD_ARGS: ${{ matrix.cmake_build_args }}
       run: bash ../.github/workflows/build_steps.sh build_mujoco
 
-    - name: Copy in the correct VC runtime DLLs (workaround for actions/runner-images#10004)
-      if: ${{ runner.os == 'Windows' }}
-      working-directory: build
-      shell: powershell
-      run: |
-        Copy-Item (Join-Path `
-          ((Get-ChildItem -Directory `
-              -Path "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Redist\MSVC\14.*" |
-            Sort -Descending | Select-Object -First 1).FullName
-          ) 'x64\Microsoft.VC143.CRT\*.dll') "bin\Release"
-
     - name: Test MuJoCo
       working-directory: build
       run: bash ../.github/workflows/build_steps.sh test_mujoco