Remove stale import hint from Go version bump template. (#71)

Author: matthewdale

golang/pre-publish/bump-version.go

@@ -14,8 +14,11 @@ const (
 // not use this file except in compliance with the License. You may obtain
 // a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 
+// DO NOT EDIT. Code generated by Github action
+// "mongodb-labs/drivers-github-tools/golang/pre-publish".
+
 // Package version defines the Go Driver version.
-package version // import "go.mongodb.org/mongo-driver/version"
+package version
 
 // Driver is the current version of the driver.
 `