Remove BSSAPP, BSSGP, BSSMAP, GTP, GTPv2, ISUP, LLC, MobileL3, NS, SNDCP

All of those now have separate upstream repositories on git://git.eclipse.org/gitroot/titan
and we don't need to keep a copy around
diff --git a/gprs_gb/gen_links.sh b/gprs_gb/gen_links.sh
index bdfb241..f2433d5 100755
--- a/gprs_gb/gen_links.sh
+++ b/gprs_gb/gen_links.sh
@@ -27,7 +27,7 @@
 FILES="IPL4asp_Functions.ttcn  IPL4asp_PT.cc  IPL4asp_PT.hh IPL4asp_PortType.ttcn  IPL4asp_Types.ttcn  IPL4asp_discovery.cc IPL4asp_protocol_L234.hh"
 gen_links $DIR $FILES
 
-DIR=../MobileL3_v13.4.0_CNL113832_LATEST/src
+DIR=$BASEDIR/titan.ProtocolModules.MobileL3_v13.4.0/src
 FILES="MobileL3_CC_Types.ttcn MobileL3_CommonIE_Types.ttcn MobileL3_GMM_SM_Types.ttcn MobileL3_MM_Types.ttcn MobileL3_RRM_Types.ttcn MobileL3_SMS_Types.ttcn MobileL3_SS_Types.ttcn MobileL3_Types.ttcn SS_DataTypes.asn SS_EncDec.cc SS_Errors.asn SS_Operations.asn SS_PDU_Defs.asn SS_Protocol.asn SS_Types.ttcn" 
 gen_links $DIR $FILES