Clean up index.html* and robots.txt

      file_name: www.incois.gov.in_tropflux_publications.html

      prefix: doc

      method: !!python/name:data_repo_renderer.CurlSingleFile

post_processing:

    - find data/ -iname \*index.html\* -exec rm -fv {} \;

    - find data/ -iname robots.txt -exec rm -fv {} \;