Revert updates to elasticsearch and elasticsearch-dsl.
Revert updates to elasticsearch and elasticsearch-dsl.

This reverts commits 3ab187bde9fa6a82374f7e05f937b358c2fea8e7 and
0c990f9d727156a7f5201594135b8f9c311f8083.

lonnen/socorro,lonnen/socorro,mozilla/socorro,lonnen/socorro,mozilla/socorro,mozilla/socorro,mozilla/socorro,mozilla/socorro,lonnen/socorro,mozilla/socorro