internal/pkg: drop cached error on cancel

This avoids disabling the artifact when using the individual cancel method. Unfortunately this makes the method blocking.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/mbf/daemon.go

@@ -194,6 +194,9 @@ func serve(
 						}
 
 					case specialAbort:
+						if _err := conn.Close(); _err != nil {
+							log.Println(_err)
+						}
 						log.Println("aborting all pending cures")
 						cm.c.Abort()
 					}