Switch to side-by-side view

--- a/configure.ac
+++ b/configure.ac
@@ -41,8 +41,6 @@
                           AC_MSG_ERROR([libmpdclient not found]))
 SCCTL_LIBS=$LIBS
 
-AC_CHECK_LIB([avformat], [av_register_all], [], [])
-AC_CHECK_LIB([upnp], [UpnpCloseHttpGet], [], [])
 AC_CHECK_LIB([microhttpd], [MHD_queue_response], [], [])
 
 UPMPDCLI_LIBS=$LIBS