BTS_Tests.TC_pcu_data_ind_lqual_cb: remove lqual threshold

Since recently [1], osmo-bts does submit all PCUIF DATA.ind regardless
of the Uplink link quality (C/I ratio in case of osmo-bts-trx).

Change-Id: If801e9112c1207ccdc40f9e675c52fadccdd1411
Related: [1] osmo-bts.git I8f1856dd9061c1bfca8b15be30df7a51760231b0
1 file changed