Revert "Spanner grpc config" (#1240)
Revert "Spanner grpc config" (#1240)

* Revert "Fix suppressKeyFileNotice check (#1237)"

This reverts commit 49c698f0ae43a37e781ba6a2af168680df9e8e1d.

* Revert "Spanner grpc config (#1236)"

This reverts commit 198404a3ec978462652536b3ee6db1eed01e4863.

googleapis/google-cloud-php-pubsub,googleapis/google-cloud-php-pubsub