backend: remove unused Location method

internal/backend/dryrun/dry_backend.go

@@ -46,11 +46,6 @@ func (be *Backend) Connections() uint {
 	return be.b.Connections()
 }
 
-// Location returns the location of the backend.
-func (be *Backend) Location() string {
-	return "DRY:" + be.b.Location()
-}
-
 // Delete removes all data in the backend.
 func (be *Backend) Delete(_ context.Context) error {
 	return nil

internal/backend/dryrun/dry_backend_test.go

@@ -36,7 +36,6 @@ func TestDry(t *testing.T) {
 		content string
 		wantErr string
 	}{
-		{d, "loc", "", "DRY:RAM", ""},
 		{d, "delete", "", "", ""},
 		{d, "stat", "a", "", "not found"},
 		{d, "list", "", "", ""},
@@ -76,11 +75,6 @@ func TestDry(t *testing.T) {
 			if files != step.content {
 				t.Errorf("%d. List = %q, want %q", i, files, step.content)
 			}
-		case "loc":
-			loc := step.be.Location()
-			if loc != step.content {
-				t.Errorf("%d. Location = %q, want %q", i, loc, step.content)
-			}
 		case "delete":
 			err = step.be.Delete(ctx)
 		case "remove":