ci: remove unnecessary re-setting of CIBW_BUILD env var

Author: cpcloud

.github/workflows/build-wheel.yml

@@ -111,8 +111,6 @@ jobs:
 
       - name: Build cuda.core wheel
         uses: pypa/cibuildwheel@c923d83ad9c1bc00211c5041d0c3f73294ff88f6  # v3.1.4
-        env:
-          CIBW_BUILD: ${{ env.CIBW_BUILD }}
         with:
           package-dir: ./cuda_core/
           output-dir: ${{ env.CUDA_CORE_ARTIFACTS_DIR }}
@@ -147,8 +145,6 @@ jobs:
 
       - name: Build cuda.bindings wheel
         uses: pypa/cibuildwheel@c923d83ad9c1bc00211c5041d0c3f73294ff88f6  # v3.1.4
-        env:
-          CIBW_BUILD: ${{ env.CIBW_BUILD }}
         with:
           package-dir: ./cuda_bindings/
           output-dir: ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}

ci/tools/env-vars

@@ -17,10 +17,6 @@ fi
 
 PYTHON_VERSION_FORMATTED=$(echo "${PY_VER}" | tr -d '.')
 
-# platform is handled by the default value of platform (`auto`) in cibuildwheel
-# here we only need to specify the python version we want
-CIBW_BUILD="cp${PYTHON_VERSION_FORMATTED}-*"
-
 if [[ "${HOST_PLATFORM}" == linux* ]]; then
   REPO_DIR=$(pwd)
   TOOLS_PATH="${REPO_DIR}/ci/tools"
@@ -42,7 +38,9 @@ CUDA_CORE_ARTIFACT_BASENAME="cuda-core-python${PYTHON_VERSION_FORMATTED}-${HOST_
 } >> $GITHUB_ENV
 
 if [[ "${1}" == "build" ]]; then
-  echo "CIBW_BUILD=${CIBW_BUILD}" >> $GITHUB_ENV
+  # platform is handled by the default value of platform (`auto`) in cibuildwheel
+  # here we only need to specify the python version we want
+  echo "CIBW_BUILD=cp${PYTHON_VERSION_FORMATTED}-*" >> $GITHUB_ENV
   CUDA_BINDINGS_ARTIFACT_BASENAME="cuda-bindings-python${PYTHON_VERSION_FORMATTED}-cuda${CUDA_VER}-${HOST_PLATFORM}"
 elif [[ "${1}" == "test" ]]; then
   BUILD_CUDA_MAJOR="$(cut -d '.' -f 1 <<< ${BUILD_CUDA_VER})"