Remove tika jar file
Remove tika jar file

This was added in bebb38846e576e9901bc12a7ed1d86e6e2fdca9e but the feature as a whole was removed in 7d3b17f9f71dcee632c40c2d600edaf08198e1f5
alphagov/whitehall,alphagov/whitehall,alphagov/whitehall,alphagov/whitehall