sigproc: Remove dynamic SPS configuration

Samples per symbol used by the transceiver is not configurable through
the socket interface once running, so stop pretending like it could be.
Initialize all tables and midambles at start.

Signed-off-by: Tom Tsou <tom.tsou@ettus.com>
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp
index 526153e..df41eac 100644
--- a/Transceiver52M/Transceiver.cpp
+++ b/Transceiver52M/Transceiver.cpp
@@ -198,7 +198,7 @@
     return false;
   }
 
-  if (!sigProcLibSetup(mSPSTx)) {
+  if (!sigProcLibSetup()) {
     LOG(ALERT) << "Failed to initialize signal processing library";
     return false;
   }
@@ -898,7 +898,6 @@
       sprintf(response, "RSP SETTSC 1 %d", TSC);
     else {
       mTSC = TSC;
-      generateMidamble(mSPSRx, TSC);
       sprintf(response,"RSP SETTSC 0 %d", TSC);
     }
   }