Removed redundant terminal clear code in net merge APIs

Signed-off-by: Jaehyun Kim <[email protected]>

Author: jhkim-pii

src/odb/src/db/dbModNet.cpp

@@ -569,13 +569,6 @@ void dbModNet::mergeModNet(dbModNet* in_modnet)
   for (dbModBTerm* modbterm : modbterms) {
     modbterm->connect(this);
   }
-
-  // 2. Clear the terminals of in_modnet to avoid dangling pointers.
-  _dbModNet* _in_modnet = reinterpret_cast<_dbModNet*>(in_modnet);
-  _in_modnet->_iterms.clear();
-  _in_modnet->_bterms.clear();
-  _in_modnet->_moditerms.clear();
-  _in_modnet->_modbterms.clear();
 }
 
 void dbModNet::mergeNet(dbNet* in_net)

src/odb/src/db/dbNet.cpp

@@ -2299,11 +2299,6 @@ void dbNet::mergeNet(dbNet* in_net)
   for (dbBTerm* bterm : bterms) {
     bterm->connect(this);
   }
-
-  // 2. Clear the terminals of in_net to avoid dangling pointers.
-  _dbNet* _in_net = reinterpret_cast<_dbNet*>(in_net);
-  _in_net->_iterms.clear();
-  _in_net->_bterms.clear();
 }
 
 void dbNet::markNets(std::vector<dbNet*>& nets, dbBlock* block, bool mk)