Remove M3UA/MTP3/SCCP code from this repo, use upstream repos

Originally, this code was not yet in an official upstream git repo.
However, it has been for many months, so let's remove our local copy
and use upstream git repositories like for all the other modules.

Change-Id: I2c616fb865df32cfec323d42e5d0d06de40c497b
diff --git a/msc/gen_links.sh b/msc/gen_links.sh
index a7144a6..efb3770 100755
--- a/msc/gen_links.sh
+++ b/msc/gen_links.sh
@@ -32,19 +32,18 @@
 gen_links $DIR $FILES
 
 # required by M3UA Emulation
-DIR=../MTP3asp_CNL113337/src
+DIR=$BASEDIR/titan.TestPorts.MTP3asp/src
 FILES="MTP3asp_PortType.ttcn  MTP3asp_Types.ttcn"
 gen_links $DIR $FILES
 
 # required by SCCP Emulation
-DIR=../M3UA_CNL113537/src
+DIR=$BASEDIR/titan.ProtocolEmulations.M3UA/src
 FILES="M3UA_Emulation.ttcn"
 gen_links $DIR $FILES
 
-DIR=../SCCP_CNL113341/src
+DIR=$BASEDIR/titan.ProtocolEmulations.SCCP/src
 FILES="SCCP_Emulation.ttcn  SCCP_EncDec.cc  SCCP_Mapping.ttcnpp  SCCP_Types.ttcn  SCCPasp_Types.ttcn"
 gen_links $DIR $FILES
-gen_link SCCP_Mapping.ttcnpp SCCP_Mapping.ttcn
 
 DIR=$BASEDIR/titan.ProtocolModules.BSSMAP_v11.2.0/src
 FILES="BSSAP_Types.ttcn"