Remove duplicated configure call from Mac CI workflow

This seems to have been accidentally added in 6afd2e8f87 (Revert "making
sure CI builds don’t contaminated checked out directory on self-hosted
runner", 2022-04-17).

.github/workflows/ci_mac.yml

@@ -172,7 +172,6 @@ jobs:
           wxCONFIGURE_OPTIONS="--with-macosx-sdk=$sdk_path $wxCONFIGURE_OPTIONS"
         fi
 
-        ./configure $wxCONFIGURE_OPTIONS --disable-debug_info || rc=$?
         if [ ${{ matrix.use_asan }} ]; then
           wxASAN_CFLAGS="-fsanitize=address -fno-omit-frame-pointer"
           wxASAN_CXXFLAGS=$wxASAN_CFLAGS