all: Dead code cleanup

lib/model/model.go

@@ -304,10 +304,6 @@ func (info ConnectionInfo) MarshalJSON() ([]byte, error) {
 
 // ConnectionStats returns a map with connection statistics for each device.
 func (m *Model) ConnectionStats() map[string]interface{} {
-	type remoteAddrer interface {
-		RemoteAddr() net.Addr
-	}
-
 	m.pmut.RLock()
 	m.fmut.RLock()