Revert "osmo-bsc-{master,latest}/osmo-bsc.cfg: set AMR link adaptation params"
This reverts commit 029c8df99981bb08ff6aaf35506ea3bf491e446e.
I actually meant to change osmo-bsc.cfg in ttcn3-bsc-test.
Change-Id: I85c577cbc608a77d6d6a5816f1fb7205361f7b4a
Related: SYS#5917
