Revert "Bug 1051839 - Introduced elasticsearch-py, used it for all bulk indexing. r=phrawzty"

This reverts commit c1c48824bba1631dcc24fcddbff5e2f2439610e2.

Conflicts:
	socorro/unittest/external/elasticsearch/test_settings.py
	socorro/unittest/external/elasticsearch/test_supersearch.py
Merge pull request #2455 from AdrianGaudebert/no-bug-revert-elasticsearch-py

Revert "Bug 1051839 - Introduced elasticsearch-py, used it for all bulk ...