Remove unused CIBW_ARCHS_LINUX environment variable

Author: molinav

.github/workflows/build.yml

@@ -81,7 +81,6 @@ jobs:
       - name: Build wheels
         uses: pypa/[email protected]
         env:
-          CIBW_ARCHS_LINUX: auto64
           CIBW_BUILD_VERBOSITY: 1
           CIBW_BUILD: "cp39* cp310* cp311* cp312*"
           CIBW_SKIP: "pp* *-musllinux_* *-win32 *-manylinux_i686 *-musllinux_i686 *-aarch64 *-armv7l"