Remove 'responsible disclosure' policy

Most disclosures we receive were related to other GMU sources. Most emails were forwarded off to ITSO. This may be revived with collaboration with ITSO, but for now, we cannot run this program independently.
2 jobs for nander13-patch-1 in 47 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #17046
build

00:00:35

 
  Deploy
passed #17047
deploy_staging

00:00:12