pcuif: Do not bump the PCU_IF version
pcuif: Do not bump the PCU_IF version

I had accidently bumped the version as I thought that osmo_ph_pres_info_type
was part of the ABI. It is not an only internal to the BTS. Revert
this part of the change.

osmocom/osmo-bts,osmocom/osmo-bts,osmocom/osmo-bts