cleanup: remove cibuildwheel workflow files

- Remove ci-cibuildwheel.yml and build-cibuildwheel.yml
- These files were not present in v0.1.5
- Keep only the simple build system

.github/workflows/build-cibuildwheel.yml

@@ -1,144 +0,0 @@
-name: Build with cibuildwheel
-
-on:
-  workflow_call:
-    inputs:
-      ref:
-        description: 'Git ref to build'
-        required: false
-        type: string
-        default: ''
-
-jobs:
-  build_wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.ref }}
-          submodules: recursive
-      
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'  # Version for building pure Python packages
-      
-      # Build each package separately in our monorepo
-      - name: Build pure Python packages (leann-core, leann)
-        if: matrix.os == 'ubuntu-latest'  # Only build once, they're platform-independent
-        run: |
-          # Install build tools
-          python -m pip install --upgrade pip build
-          
-          # Build pure Python packages
-          python -m build packages/leann-core --outdir wheelhouse/
-          python -m build packages/leann --outdir wheelhouse/
-      
-      - name: Build leann-backend-hnsw wheels  
-        uses: pypa/cibuildwheel@v2.16.2
-        with:
-          package-dir: packages/leann-backend-hnsw
-          output-dir: wheelhouse
-        env:
-          CIBW_BUILD: cp39-* cp310-* cp311-* cp312-*
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_SKIP: "*-win32 *-manylinux_i686 pp*"
-          
-          CIBW_BEFORE_ALL_LINUX: |
-            yum clean all && yum makecache
-            yum install -y epel-release || true
-            yum makecache || true
-            # Install system dependencies
-            yum install -y \
-              gcc-c++ \
-              boost-devel \
-              protobuf-compiler \
-              protobuf-devel \
-              zeromq-devel \
-              pkgconfig \
-              openblas-devel \
-              cmake || echo "Some packages failed, continuing..."
-            
-            # Verify zmq installation and create pkg-config file if needed
-            if [ ! -f /usr/lib64/pkgconfig/libzmq.pc ] && [ ! -f /usr/lib/pkgconfig/libzmq.pc ]; then
-              echo "Creating libzmq.pc file..."
-              mkdir -p /usr/lib64/pkgconfig
-              cat > /usr/lib64/pkgconfig/libzmq.pc << 'EOF'
-            prefix=/usr
-            exec_prefix=${prefix}
-            libdir=${exec_prefix}/lib64
-            includedir=${prefix}/include
-            
-            Name: libzmq
-            Description: ZeroMQ library
-            Version: 4.1.4
-            Libs: -L${libdir} -lzmq
-            Cflags: -I${includedir}
-            EOF
-            fi
-          
-          CIBW_BEFORE_ALL_MACOS: |
-            brew install llvm libomp boost protobuf zeromq
-          
-          CIBW_ENVIRONMENT_LINUX: |
-            PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/lib/pkgconfig:$PKG_CONFIG_PATH
-          
-          CIBW_ENVIRONMENT_MACOS: |
-            CC=$(brew --prefix llvm)/bin/clang
-            CXX=$(brew --prefix llvm)/bin/clang++
-          
-          CIBW_TEST_REQUIRES: leann-core numpy pyzmq msgpack
-          CIBW_TEST_COMMAND: python -c "import leann_backend_hnsw"
-      
-      - name: Build leann-backend-diskann wheels
-        uses: pypa/cibuildwheel@v2.16.2
-        with:
-          package-dir: packages/leann-backend-diskann
-          output-dir: wheelhouse
-        env:
-          CIBW_BUILD: cp39-* cp310-* cp311-* cp312-*
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_SKIP: "*-win32 *-manylinux_i686 pp*"
-          
-          CIBW_BEFORE_ALL_LINUX: |
-            yum clean all && yum makecache
-            yum install -y epel-release || true
-            yum makecache || true
-            # Install system dependencies for DiskANN
-            yum install -y \
-              gcc-c++ \
-              protobuf-compiler \
-              protobuf-devel \
-              openblas-devel \
-              pkgconfig \
-              cmake || echo "Some packages failed, continuing..."
-            yum install -y libaio-devel || echo "libaio-devel not available, continuing..."
-          
-          CIBW_BEFORE_ALL_MACOS: |
-            brew install llvm libomp protobuf
-          
-          CIBW_ENVIRONMENT_LINUX: |
-            PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/lib/pkgconfig:$PKG_CONFIG_PATH
-          
-          CIBW_ENVIRONMENT_MACOS: |
-            CC=$(brew --prefix llvm)/bin/clang
-            CXX=$(brew --prefix llvm)/bin/clang++
-          
-          CIBW_TEST_REQUIRES: leann-core numpy
-          CIBW_TEST_COMMAND: python -c "import leann_backend_diskann"
-      
-      - name: List built packages
-        run: |
-          echo "📦 Built packages:"
-          ls -la wheelhouse/
-      
-      - uses: actions/upload-artifact@v4
-        with:
-          name: cibw-wheels-${{ matrix.os }}
-          path: ./wheelhouse/*.whl 

.github/workflows/ci-cibuildwheel.yml

@@ -1,12 +0,0 @@
-name: CI - cibuildwheel (Test)
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-  workflow_dispatch:  # Allow manual triggering
-
-jobs:
-  build:
-    uses: ./.github/workflows/build-cibuildwheel.yml