multi: formatting and comment fixes

lncfg/cluster.go

@@ -57,7 +57,6 @@ func (c *Cluster) Validate() error {
 	}
 
 	switch c.LeaderElector {
-
 	case cluster.EtcdLeaderElector:
 		if c.EtcdElectionPrefix == "" {
 			return fmt.Errorf("etcd-election-prefix must be set")

lncfg/color_test.go

@@ -24,7 +24,6 @@ func TestParseHexColor(t *testing.T) {
 
 	// Perform the table driven tests.
 	for _, ct := range colorTestCases {
-
 		color, err := ParseHexColor(ct.test)
 		if !ct.valid && err == nil {
 			t.Fatalf("Invalid color string: %s, should return "+