autopilot: Change default heuristic to top_centrality

config.go

@@ -395,7 +395,7 @@ func DefaultConfig() Config {
 			MinConfs:       1,
 			ConfTarget:     autopilot.DefaultConfTarget,
 			Heuristic: map[string]float64{
-				"preferential": 1.0,
+				"top_centrality": 1.0,
 			},
 		},
 		PaymentsExpirationGracePeriod: defaultPaymentsExpirationGracePeriod,

sample-lnd.conf

@@ -477,8 +477,8 @@ litecoin.node=ltcd
 ; autopilot.allocation=0.6
 
 ; Heuristic to activate, and the weight to give it during scoring. (default:
-; preferential:1)
-; autopilot.heuristic=top_centrality:1
+; top_centrality:1)
+; autopilot.heuristic=preferential:1
 
 ; The smallest channel that the autopilot agent should create (default: 20000)
 ; autopilot.minchansize=20000