Revert "slack and rollbar"
Revert "slack and rollbar"

huh?

This reverts commit df1c602e8b557cf7b3b0f61068dc32ea3b2d02f8.

ipmobiletech/rubytogether.org,rubytogether/rubytogether.org,ipmobiletech/rubytogether.org,ivarvong/rubytogether.org,rubytogether/rubytogether.org,ivarvong/rubytogether.org,ipmobiletech/rubytogether.org,ivarvong/rubytogether.org,rubytogether/rubytogether.org,rubytogether/rubytogether.org,ipmobiletech/rubytogether.org,ivarvong/rubytogether.org