Run go fix

Author: dhui

database/spanner/spanner.go

@@ -11,7 +11,7 @@ import (
 	"strconv"
 	"strings"
 
-	"golang.org/x/net/context"
+	"context"
 
 	"cloud.google.com/go/spanner"
 	sdb "cloud.google.com/go/spanner/admin/database/apiv1"

go.mod

@@ -46,7 +46,6 @@ require (
 	go.mongodb.org/mongo-driver v1.1.0
 	go.uber.org/atomic v1.4.0
 	golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 // indirect
-	golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc
 	golang.org/x/sys v0.0.0-20200817155316-9781c653f443 // indirect
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e // indirect
 	golang.org/x/tools v0.0.0-20200818005847-188abfa75333

source/google_cloud_storage/storage.go

@@ -9,8 +9,8 @@ import (
 	"strings"
 
 	"cloud.google.com/go/storage"
+	"context"
 	"github.com/golang-migrate/migrate/v4/source"
-	"golang.org/x/net/context"
 	"google.golang.org/api/iterator"
 )