spanner: complete benchserver removal
Removes non-existent and no longer removed
imports since benchserver was removed in
CL
@@ -20,12 +20,10 @@ import (
"context"
"fmt"
"io"
- "os"
"strings"
"testing"
itestutil "cloud.google.com/go/internal/testutil"
- "cloud.google.com/go/spanner/internal/benchserver"
. "cloud.google.com/go/spanner/internal/testutil"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
