Remove Assignee Validation from plugin.

Assignee is being removed from gerrit. This example will stop working
once it is removed.

Google-Bug-Id: b/33429040
Release-Notes: skip
Change-Id: Ice5e1dda5a7ce78a6d2cc9c8367d02994ac8b854
2 files changed
tree: ab51da0230edd204aa7d023989b889a4999e75d8
  1. src/
  2. .gitignore
  3. BUILD
  4. LICENSE
  5. pom.xml