GHA/windows: drop MSYS2 runtime downgrades

No longer necessary after bumping the default runtime to a version
fixing the previously experienced performance drop.

Thanks to MSYS2/Cygwin teams for the help and fix.

Follow-up to 9a26be1e6ad45eb6c46af1d7a5e0be273b14fe1b #17708
Follow-up to d4896d94f2e9530d47bf519c9d9b790720bf10a4 #16424

Closes #17710

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 5866d0c687fe12b85f15ab273605beac4ba0b701..217fe5b3a83f7fad19d0e249597b5f992568a8a0 100644 (file)
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -367,16 +367,6 @@ jobs:
           /usr/bin/pacman --noconfirm --noprogressbar --sync --needed openssh
           /c/ProgramData/chocolatey/choco.exe install --yes --no-progress --limit-output --timeout 180 --force stunnel || true
 
-      - name: 'downgrade msys2-runtime'
-        if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' && matrix.sys != 'msys' }}
-        timeout-minutes: 2
-        # Downgrade to a known good MSYS2 runtime version to avoid the performance regression
-        # causing runtests.pl to run at 2-3x reduced speed.
-        run: |
-          if [[ "$(uname -a)" = *' 3.5'* ]]; then
-            exec /usr/bin/pacman --noconfirm --noprogressbar --upgrade https://mirror.msys2.org/msys/x86_64/msys2-runtime-3.5.4-8-x86_64.pkg.tar.zst
-          fi
-
       - name: 'run tests'
         if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' }}
         timeout-minutes: 10
@@ -559,16 +549,6 @@ jobs:
           /c/ProgramData/chocolatey/choco.exe install --yes --no-progress --limit-output --timeout 180 --force stunnel || true
           python3 -m pip --disable-pip-version-check --no-input --no-cache-dir install --progress-bar off --prefer-binary impacket
 
-      - name: 'downgrade msys2-runtime'
-        if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' }}
-        timeout-minutes: 2
-        # Downgrade to a known good MSYS2 runtime version to avoid the performance regression
-        # causing runtests.pl to run at 2-3x reduced speed.
-        run: |
-          if [[ "$(uname -a)" = *' 3.5'* ]]; then
-            exec /usr/bin/pacman --noconfirm --noprogressbar --upgrade https://mirror.msys2.org/msys/x86_64/msys2-runtime-3.5.4-8-x86_64.pkg.tar.zst
-          fi
-
       - name: 'run tests'
         if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' }}
         timeout-minutes: 10
@@ -1007,16 +987,6 @@ jobs:
             python3 -m pip --disable-pip-version-check --no-input --no-cache-dir install --progress-bar off --prefer-binary impacket
           fi
 
-      - name: 'downgrade msys2-runtime'
-        if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' }}
-        timeout-minutes: 2
-        # Downgrade to a known good MSYS2 runtime version to avoid the performance regression
-        # causing runtests.pl to run at 2-3x reduced speed.
-        run: |
-          if [[ "$(uname -a)" = *' 3.5'* ]]; then
-            exec /usr/bin/pacman --noconfirm --noprogressbar --upgrade https://mirror.msys2.org/msys/x86_64/msys2-runtime-3.5.4-8-x86_64.pkg.tar.zst
-          fi
-
       - name: 'run tests'
         if: ${{ matrix.tflags != 'skipall' && matrix.tflags != 'skiprun' }}
         timeout-minutes: 10