multi: remove experimential build flag for assumechanvalid

lncfg/routing.go

@@ -0,0 +1,6 @@
+package lncfg
+
+// Routing holds the configuration options for routing.
+type Routing struct {
+	AssumeChannelValid bool `long:"assumechanvalid" description:"Skip checking channel spentness during graph validation. This speedup comes at the risk of using an unvalidated view of the network for routing. (default: false)"`
+}