{bts,bsc}.adoc: Drop deprecated OsmoNITB references

dyn_ts_allow_tch_f is also deprecated and should not be used, so drop
that too.

Change-Id: Icc91dd41a237531cb512fa36d8b18d4d8d5ca8ed

doc/manuals/chapters/bsc.adoc

@@ -1,9 +1,5 @@
 == BSC level configuration
 
-The BSC component is shared between OsmoBSC and OsmoNITB.  This chapter
-describes some of the configuration options related to this shared BSC
-component.
-
 === Hand-over
 
 ==== Hand-over in GSM
@@ -25,11 +21,10 @@ communicates those by means of RSL to the BSC.
 The hand-over decision is made by an algorithm that processes those
 measurement results and determines when to perform the hand-over.
 
-==== Configuration of hand-over in OsmoBSC/OsmoNITB
+==== Configuration of hand-over in OsmoBSC
 
-OsmoBSC (like the internal BSC component of OsmoNITB) only support
-so-called intra-BSC hand-over, where the hand-over is performed between
-two BTSs within the same BSC.
+OsmoBSC only support so-called intra-BSC hand-over, where the hand-over is
+performed between two BTSs within the same BSC.
 
 Hand-over is enabled and configured by the use of a set of `handover`
 commands.  Using those, you can tune the key parameters of the hand-over

doc/manuals/chapters/bts.adoc

@@ -287,9 +287,9 @@ and then assign a logical TCH channel on it. Hence, though compatibility with
 the BTS needs to be ensured, any MSC is compatible with dynamic timeslots by
 definition.
 
-OsmoBSC and OsmoNITB support two kinds of dynamic timeslot handling, configured
-via the `network` / `bts` / `trx` / `timeslot` / `phys_chan_config`
-configuration. Not all BTS models support dynamic channels.
+OsmoBSC supports two kinds of dynamic timeslot handling, configured via the
+`network` / `bts` / `trx` / `timeslot` / `phys_chan_config` configuration. Not
+all BTS models support dynamic channels.
 
 [[dyn_ts_compat]]
 .Dynamic timeslot support by various BTS models
@@ -349,9 +349,8 @@ timeslots to TCH, and no PDCH timeslots would be left for GPRS service.
 
 ==== Dynamic Timeslot Configuration Examples
 
-This is an extract of an `osmo-bsc` or `osmo-nitb` config file. A timeslot
-configuration with five Osmocom style dynamic timeslots and one dedicated PDCH
-may look like this:
+This is an extract of an `osmo-bsc`` config file. A timeslot configuration with
+five Osmocom style dynamic timeslots and one dedicated PDCH may look like this:
 
 ----
 network