cosmetic: lchan activ: no need to clear mr again

In lchan state UNUSED, on activating an lchan, we zero out the lchan->mr_ms_lv
and mr_bts_lv. However, in UNUSED's onenter function, we already called
lchan_reset(), clearing out the lchan completely.

Drop two lines of unnecessary code.

Change-Id: I8b38f222f1c8c822e8e5e776850dbc60e30e8b8d
1 file changed