Javadocs: Remove timestamps, exclude generated files (#1968)
Javadocs: Remove timestamps, exclude generated files (#1968)

* Javadocs: Remove timestamps, exclude generated files

* Simplify excluded javadoc files

* Revert "Simplify excluded javadoc files"

This reverts commit 6bdbb8788ae09f727c53398e48812da1fe1209a9.

batfish/batfish,dhalperi/batfish,dhalperi/batfish,intentionet/batfish,intentionet/batfish,batfish/batfish,intentionet/batfish,intentionet/batfish,batfish/batfish,arifogel/batfish,arifogel/batfish,intentionet/batfish,arifogel/batfish,dhalperi/batfish