move sps_fracmmvd_disabled_flag from SPSNext to SPS + IBC renaming
move sps_fracmmvd_disabled_flag from SPSNext to SPS according to SW coordinator's suggestion.
- move sps_fracmmvd_disabled_flag from SPSNext to SPS.
- rename Cpr to Ibc, rename sps_fracmmvd_disabled_flag related functions and variables.
Edited by Karsten Suehring