Vendor removed, some cleanups

examples/discogs_example.go

@@ -9,7 +9,7 @@ import (
 func main() {
 	d, err := discogs.NewClient(&discogs.Options{
 		UserAgent: "TestDiscogsClient/0.0.1 +http://example.com",
-		Currency:  "AAA",
+		Currency:  "USD",
 		Token:     "",
 	})
 	if err != nil {
@@ -17,7 +17,7 @@ func main() {
 		return
 	}
 
-	release, err := d.Database.Release(12345)
+	release, err := d.Search.Search(discogs.SearchRequest{Q: "middle", PerPage: 3})
 	if err != nil {
 		fmt.Println(err)
 		return