Revert "lib/package_config_files.c: fixed a memleak."
Revert "lib/package_config_files.c: fixed a memleak."

This reverts commit c04d54f02047e67d7ed04b960f425db204d755b5.

stpx/xbps,stpx/xbps,ebfe/xbps,ebfe/xbps,datenwolf/xbps,stpx/xbps,ebfe/xbps,datenwolf/xbps,datenwolf/xbps