Remove extraneous fmt.Printf calls.

Within test cases, t.Logf is better. Elsewhere, we shouldn't output at allrc.
diff --git a/acceptance/openstack/blockstorage/v1/volumes_test.go b/acceptance/openstack/blockstorage/v1/volumes_test.go
index f84f5cb..6739a99 100644
--- a/acceptance/openstack/blockstorage/v1/volumes_test.go
+++ b/acceptance/openstack/blockstorage/v1/volumes_test.go
@@ -3,7 +3,6 @@
 package v1
 
 import (
-	"fmt"
 	"os"
 	"testing"
 
@@ -68,7 +67,7 @@
 		t.Error(err)
 		return
 	}
-	fmt.Printf("Got volume: %+v\n", v)
+	t.Logf("Got volume: %+v\n", v)
 
 	if v.Name != "gophercloud-updated-volume" {
 		t.Errorf("Unable to update volume: Expected name: gophercloud-updated-volume\nActual name: %s", v.Name)
diff --git a/acceptance/openstack/compute/v2/servers_test.go b/acceptance/openstack/compute/v2/servers_test.go
index 6bdc9e9..05cde73 100644
--- a/acceptance/openstack/compute/v2/servers_test.go
+++ b/acceptance/openstack/compute/v2/servers_test.go
@@ -3,7 +3,6 @@
 package v2
 
 import (
-	"fmt"
 	"os"
 	"testing"
 
@@ -42,7 +41,7 @@
 		return true, nil
 	})
 
-	fmt.Printf("--------\n%d servers listed on %d pages.\n", count, pages)
+	t.Logf("--------\n%d servers listed on %d pages.\n", count, pages)
 }
 
 func networkingClient() (*gophercloud.ServiceClient, error) {