Description
When working on PIG-5334, saw bunch of old documents still being uploaded on svn&site.
knoguchi@truelisten-lm site> ls publish/docs/ | sort -V r0.7.0/ r0.8.1/ r0.9.1/ r0.9.2/ r0.10.0/ r0.10.1/ r0.11.0/ r0.11.1/ r0.12.0/ r0.12.1/ r0.13.0/ r0.14.0/ r0.15.0/ r0.16.0/ r0.17.0/
Sometimes I see our users referencing old documents due to this.
We should retire most of them and leave the recent ones.