Revert "xbmc: add PR4414"

This reverts commit 2bbee7ca903c966d5be48abc7f55752767924b74.

crash with clean profile as soon I enter system->settings

3  0x00007f6e421f2aa2 in __assert_fail () from /lib/libc.so.6
4  0x00007f6e4471ce06 in avahi_entry_group_update_service_txt_strlst () from /usr/lib/libavahi-client.so.3
5  0x00000000010fd9f8 in CZeroconfAvahi::doForceReAnnounceService(std::string const&) ()
6  0x0000000000b704bb in handleZeroconfAnnouncement() ()

happy broken beta2, newcomers!