tap: code cleanup

Signed-off-by: Osama <osama21@aucegypt.edu>

Author: osamahammad21

src/tap/src/tapcell.cpp

@@ -185,19 +185,11 @@ int Tapcell::placeTapcells(odb::dbMaster* tapcell_master,
   }
 
   const odb::Rect row_bb = row->getBBox();
-
+  odb::Rect query_box;
+  row_bb.bloat(-1, query_box);
   std::set<odb::dbInst*> row_insts(
-      fixed_instances.qbegin(boost::geometry::index::intersects(row_bb)),
+      fixed_instances.qbegin(boost::geometry::index::intersects(query_box)),
       fixed_instances.qend());
-  // remove instances that are only touching the row.
-  for (auto it = row_insts.begin(); it != row_insts.end();) {
-    const odb::Rect inst_bb = (*it)->getBBox()->getBox();
-    if (!row_bb.overlaps(inst_bb)) {
-      it = row_insts.erase(it);
-    } else {
-      ++it;
-    }
-  }
 
   const int llx = row_bb.xMin();
   const int urx = row_bb.xMax();