vfkit: Remove unneeded 'WaitForConnectivity'

By the time updateKernelArgs is called, the VM should be up, so we
should not need to explicitly wait for SSH connectivity before running
our SSH commands.

pkg/crc/machine/driver_darwin.go

@@ -1,10 +1,8 @@
 package machine
 
 import (
-	"context"
 	"encoding/json"
 	"errors"
-	"time"
 
 	"github.com/code-ready/crc/pkg/crc/constants"
 	"github.com/code-ready/crc/pkg/crc/logging"
@@ -47,10 +45,6 @@ func updateKernelArgs(vm *virtualMachine) error {
 	}
 	defer sshRunner.Close()
 
-	if err := sshRunner.WaitForConnectivity(context.Background(), 20*time.Second); err != nil {
-		return err
-	}
-
 	stdout, stderr, err := sshRunner.RunPrivileged("Get kernel args", `-- sh -c 'rpm-ostree kargs'`)
 	if err != nil {
 		logging.Errorf("Failed to get kernel args: %v - %s", err, stderr)