contrib: removed line 10 from config in startup_regtest.sh

Author: ScuttoZ

contrib/startup_regtest.sh

@@ -199,7 +199,6 @@ start_nodes() {
 		dev-fast-gossip
 		dev-bitcoind-poll=5
 		experimental-dual-fund
-		experimental-splicing
 		funder-policy=match
 		funder-policy-mod=100
 		funder-min-their-funding=10000