Temporarily remove b200 tests (#11501)

.github/workflows/pr-test.yml

@@ -664,34 +664,34 @@ jobs:
           cd test/srt
           python3 run_suite.py --suite per-commit-8-gpu-deepep
 
-  unit-test-backend-4-gpu-b200:
-    needs: [check-changes, unit-test-backend-2-gpu, sgl-kernel-build-wheels]
-    if: always() && !failure() && !cancelled() &&
-        ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
-    runs-on: 4-gpu-b200
-    strategy:
-      fail-fast: false
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Download artifacts
-        if: needs.check-changes.outputs.sgl_kernel == 'true'
-        uses: actions/download-artifact@v4
-        with:
-          path: sgl-kernel/dist/
-          merge-multiple: true
-          pattern: wheel-python3.10-cuda12.9
-
-      - name: Install dependencies
-        run: |
-          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} IS_BLACKWELL=1 bash scripts/ci/ci_install_dependency.sh
-
-      - name: Run test
-        timeout-minutes: 45
-        run: |
-          cd test/srt
-          python3 run_suite.py --suite per-commit-4-gpu-b200 --auto-partition-id 0 --auto-partition-size 1 --timeout-per-file 3600
+  #unit-test-backend-4-gpu-b200:
+  #  needs: [check-changes, unit-test-backend-2-gpu, sgl-kernel-build-wheels]
+  #  if: always() && !failure() && !cancelled() &&
+  #      ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
+  #  runs-on: 4-gpu-b200
+  #  strategy:
+  #    fail-fast: false
+  #  steps:
+  #    - name: Checkout code
+  #      uses: actions/checkout@v4
+  #
+  #    - name: Download artifacts
+  #      if: needs.check-changes.outputs.sgl_kernel == 'true'
+  #      uses: actions/download-artifact@v4
+  #      with:
+  #        path: sgl-kernel/dist/
+  #        merge-multiple: true
+  #        pattern: wheel-python3.10-cuda12.9
+  #
+  #    - name: Install dependencies
+  #      run: |
+  #        CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} IS_BLACKWELL=1 bash scripts/ci/ci_install_dependency.sh
+  #
+  #    - name: Run test
+  #      timeout-minutes: 45
+  #      run: |
+  #        cd test/srt
+  #        python3 run_suite.py --suite per-commit-4-gpu-b200 --auto-partition-id 0 --auto-partition-size 1 --timeout-per-file 3600
 
   pr-test-finish:
     needs: [