Merge pull request #513 from kool-dev/self-update-output

`self-update` remove unnecessary output

Author: fabriciojs

services/updater/writeable.go

@@ -3,10 +3,6 @@
 
 package updater
 
-import "fmt"
-
-func isWriteable(path string) bool {
-	fmt.Println("called unimplemented updater.isWriteable")
-
+func isWriteable(_ string) bool {
 	return false
 }