database/sql: remove useless error check
Change-Id: Id2d45a4b43b05deba4e2c31f7c03008c2f2c18a2
GitHub-Last-Rev:
587bed9a64da08d5b476d87333aed72649dad470
GitHub-Pull-Request: golang/go#66110
Reviewed-on: https://go-review.googlesource.com/c/go/+/569075
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>