fixing macos CI

Author: SwayamInSync

.github/workflows/build_wheels.yml

@@ -127,7 +127,7 @@ jobs:
             MACOSX_DEPLOYMENT_TARGET="11.0"
             DYLD_LIBRARY_PATH="/usr/local/lib:$DYLD_LIBRARY_PATH"
             CFLAGS="-I/usr/local/include -I{project}/numpy_quaddtype/QBLAS/include $CFLAGS"
-            CXXFLAGS="-I/usr/local/include -I{project}/numpy_quaddtype/QBLAS/include -fext-numeric-literals $CXXFLAGS"
+            CXXFLAGS="-I/usr/local/include -I{project}/numpy_quaddtype/QBLAS/include $CXXFLAGS"
             LDFLAGS="-L/usr/local/lib $LDFLAGS"
             PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
           CIBW_REPAIR_WHEEL_COMMAND: >