Remove elasticsearch logrotate rule

See: https://www.pivotaltracker.com/story/show/76684740

This rule has a bad glob that caused lots of files to be created.
Rotation and limiting of files will be moved to the elasticsearch
logging config when we change puppet modules.

See: https://www.pivotaltracker.com/story/show/68127986
Merge pull request #545 from alphagov/remove-elasticsearch-rotat

Remove elasticsearch logrotate rule
Ensure elasticsearch log rotate rule is gone
Merge pull request #546 from alphagov/actually-remove-es-rotate

Ensure elasticsearch log rotate rule is gone