techmap: remove dead variable. NFC.

diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index 9227385b37a18f87bce20d3a3c7d70b6f87fa4a5..c88f7bd0aba94e123155b517571dd74902dd25dd 100644 (file)
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -268,7 +268,6 @@ struct TechmapWorker
                                tpl_written_bits.insert(bit);
 
                SigMap port_signal_map;
-               SigSig port_signal_assign;
 
                for (auto &it : cell->connections())
                {