Review feedback: use one line.

Signed-off-by: Tom Wilkie <[email protected]>

Author: tomwilkie

prometheus/promauto/auto_test.go

@@ -22,8 +22,6 @@ import (
 func TestWrapNil(t *testing.T) {
 	// A nil registerer should be treated as a no-op by promauto, even when wrapped.
 	registerer := prometheus.WrapRegistererWith(prometheus.Labels{"foo": "bar"}, nil)
-	c := With(registerer).NewCounter(prometheus.CounterOpts{
-		Name: "test",
-	})
+	c := With(registerer).NewCounter(prometheus.CounterOpts{Name: "test"})
 	c.Inc()
 }