DodoApp: Disable repo client logging

Change-Id: I7b1340a096228d06e81965e10a373e45c44d97cb
diff --git a/core/installer/cmd/dodo_app.go b/core/installer/cmd/dodo_app.go
index 562627c..adc8beb 100644
--- a/core/installer/cmd/dodo_app.go
+++ b/core/installer/cmd/dodo_app.go
@@ -160,7 +160,9 @@
 		return err
 	}
 	cg := soft.RealClientGetter{}
-	softClient, err := cg.Get(dodoAppFlags.repoAddr, sshKey, log.Default())
+	log := log.Default()
+	log.SetOutput(io.Discard)
+	softClient, err := cg.Get(dodoAppFlags.repoAddr, sshKey, log)
 	if err != nil {
 		return err
 	}