Revert "[CI][AMD] Reenable MI300 CI (intel#4453)" (intel#4497)

The machine still have internet connection issues. So taking down. This
reverts commit d55edef.

Author: antiagainst

.github/workflows/integration-tests.yml

@@ -106,7 +106,7 @@ jobs:
         run: |
           if [ x"${{ github.repository }}" == x"triton-lang/triton" ]; then
             echo '::set-output name=matrix-CUDA::[["a100-runner-set"], ["h100-runner-set"]]'
-            echo '::set-output name=matrix-HIP::[["self-hosted", "gfx90a"], ["self-hosted", "gfx942"]]'
+            echo '::set-output name=matrix-HIP::[["self-hosted", "gfx90a"]]'
             echo '::set-output name=matrix-MACOS::[["macos-latest"]]'
           else
             echo '::set-output name=matrix-CUDA::["ubuntu-latest"]'

.github/workflows/integration-tests.yml.in

@@ -115,7 +115,7 @@ jobs:
         run: |
           if [ x"${{ github.repository }}" == x"triton-lang/triton" ]; then
             echo '::set-output name=matrix-CUDA::[["a100-runner-set"], ["h100-runner-set"]]'
-            echo '::set-output name=matrix-HIP::[["self-hosted", "gfx90a"], ["self-hosted", "gfx942"]]'
+            echo '::set-output name=matrix-HIP::[["self-hosted", "gfx90a"]]'
             echo '::set-output name=matrix-MACOS::[["macos-latest"]]'
           else
             echo '::set-output name=matrix-CUDA::["ubuntu-latest"]'