configure: do not specify -ldvdread, as pkg-config check is already done

Reported-by: BtbN
Signed-off-by: Marth64 <marth64@proxyid.net>

configure

@@ -6782,7 +6782,7 @@ enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
 enabled libdrm            && check_pkg_config libdrm libdrm xf86drm.h drmGetVersion
 enabled libdvdnav         && require_pkg_config libdvdnav "dvdnav >= 6.1.1" dvdnav/dvdnav.h dvdnav_open2
-enabled libdvdread        && require_pkg_config libdvdread "dvdread >= 6.1.2" dvdread/dvd_reader.h DVDOpen2 -ldvdread
+enabled libdvdread        && require_pkg_config libdvdread "dvdread >= 6.1.2" dvdread/dvd_reader.h DVDOpen2
 enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
                                  warn "using libfdk without pkg-config"; } }