Remove unused function match_fs
Remove unused function match_fs

This function isn't called anywhere. Addressing GCC warning:
/home/jcerny/openscap/src/OVAL/probes/fsdev.c:90:12: warning: ‘match_fs’ defined but not used [-Wunused-function]
 static int match_fs(const char *fsname, const char **fs_arr, size_t fs_cnt)
            ^~~~~~~~

redhatrises/openscap,redhatrises/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,redhatrises/openscap,OpenSCAP/openscap,OpenSCAP/openscap,OpenSCAP/openscap,OpenSCAP/openscap,OpenSCAP/openscap,redhatrises/openscap