[Deps] Retire the CUDA 12 lane (#38404)

Co-authored-by: Mohammad Angkad <mohammad.angkad@radixark.ai>

.github/workflows/release-whl-deepep.yml

@@ -7,15 +7,6 @@ on:
         description: "Public wheel version (for example, 0.1.0 or 0.1.1rc0)"
         type: string
         required: true
-      target:
-        description: "CUDA target"
-        type: choice
-        required: false
-        default: "all"
-        options:
-          - "all"
-          - "cu129"
-          - "cu130"
       packaging-ref:
         description: "DeepEP ref containing the shared sgl_deep_ep overlay"
         type: string
@@ -30,75 +21,8 @@ env:
   TORCH_VERSION: "2.13.0"
 
 jobs:
-  build-cu129-matrix:
-    if: |
-      github.repository == 'sgl-project/sglang' &&
-      (inputs.target == 'all' || inputs.target == 'cu129')
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10", "3.12"]
-        arch: [x86_64, aarch64]
-        include:
-          - arch: x86_64
-            runner: x64-kernel-build-node
-            source-branch: sgl-deepep-cu12-x86
-          - arch: aarch64
-            runner: arm-kernel-build-node
-            source-branch: sgl-deepep-cu12-arm
-    runs-on: ${{ matrix.runner }}
-    steps:
-      - name: Clean workspace
-        run: |
-          docker run --rm -v "${{ github.workspace }}:/workspace" alpine:3 \
-            sh -c 'rm -rf /workspace/..?* /workspace/.[!.]* /workspace/*' || true
-
-      - name: Checkout SGLang
-        uses: actions/checkout@v4
-
-      - name: Checkout DeepEP implementation
-        uses: actions/checkout@v4
-        with:
-          repository: sgl-project/DeepEP
-          ref: ${{ matrix.source-branch }}
-          path: DeepEP-source
-          submodules: recursive
-
-      - name: Checkout DeepEP packaging overlay
-        uses: actions/checkout@v4
-        with:
-          repository: sgl-project/DeepEP
-          ref: ${{ inputs['packaging-ref'] || 'sgl-deepep-packaging' }}
-          path: DeepEP-packaging
-          sparse-checkout: sgl_deep_ep
-
-      - name: Set wheel version
-        env:
-          RELEASE_VERSION: ${{ inputs.version }}
-        run: |
-          printf '%s' "${RELEASE_VERSION}" > DeepEP-packaging/sgl_deep_ep/VERSION
-
-      - name: Build wheel
-        run: |
-          chmod +x scripts/build_sgl_deepep.sh DeepEP-packaging/sgl_deep_ep/build_sgl_deep_ep.sh
-          scripts/build_sgl_deepep.sh \
-            "${{ matrix.python-version }}" \
-            "12.9" \
-            "${{ github.workspace }}/DeepEP-source" \
-            "${{ github.workspace }}/DeepEP-packaging/sgl_deep_ep" \
-            "${{ matrix.arch }}"
-
-      - name: Upload wheel
-        uses: actions/upload-artifact@v4
-        with:
-          name: deepep-wheel-cu129-py${{ matrix.python-version }}-${{ matrix.arch }}
-          path: DeepEP-source/dist/*.whl
-          if-no-files-found: error
-
   build-cu130-matrix:
-    if: |
-      github.repository == 'sgl-project/sglang' &&
-      (inputs.target == 'all' || inputs.target == 'cu130')
+    if: github.repository == 'sgl-project/sglang'
     strategy:
       fail-fast: false
       matrix:
@@ -168,19 +92,10 @@ jobs:
           if-no-files-found: error
 
   release-whl:
-    needs: [build-cu129-matrix, build-cu130-matrix]
+    needs: build-cu130-matrix
     if: |
-      always() &&
       github.repository == 'sgl-project/sglang' &&
-      (
-        (inputs.target == 'cu129' && needs.build-cu129-matrix.result == 'success') ||
-        (inputs.target == 'cu130' && needs.build-cu130-matrix.result == 'success') ||
-        (
-          inputs.target == 'all' &&
-          needs.build-cu129-matrix.result == 'success' &&
-          needs.build-cu130-matrix.result == 'success'
-        )
-      )
+      needs.build-cu130-matrix.result == 'success'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout SGLang
@@ -209,14 +124,8 @@ jobs:
           git clone --branch gh-pages \
             "https://oauth2:${WHL_TOKEN}@github.com/sgl-project/whl.git" sgl-whl
 
-      - name: Update wheel indexes
-        run: |
-          if [[ "${{ inputs.target }}" == "all" || "${{ inputs.target }}" == "cu129" ]]; then
-            python3 scripts/update_deepep_whl_index.py --cuda 129
-          fi
-          if [[ "${{ inputs.target }}" == "all" || "${{ inputs.target }}" == "cu130" ]]; then
-            python3 scripts/update_deepep_whl_index.py --cuda 130
-          fi
+      - name: Update wheel index
+        run: python3 scripts/update_deepep_whl_index.py --cuda 130
 
       - name: Push wheel indexes
         env:
@@ -234,15 +143,10 @@ jobs:
           fi
 
   release-pypi:
-    needs: [build-cu129-matrix, build-cu130-matrix]
+    needs: build-cu130-matrix
     if: |
-      always() &&
       github.repository == 'sgl-project/sglang' &&
-      needs.build-cu130-matrix.result == 'success' &&
-      (
-        inputs.target == 'cu130' ||
-        (inputs.target == 'all' && needs.build-cu129-matrix.result == 'success')
-      )
+      needs.build-cu130-matrix.result == 'success'
     runs-on: ubuntu-latest
     steps:
       - name: Download PyPI wheels