Revert "Add port 9273 to admin-ports.md"
Revert "Add port 9273 to admin-ports.md"

This reverts commit 371098b512950be6b684873ee33ec90b8d76f420.

kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,mesosphere-mergebot/mergebot-test-dcos,dcos/dcos,surdy/dcos,kensipe/dcos,mesosphere-mergebot/dcos,dcos/dcos,GoelDeepak/dcos,surdy/dcos,kensipe/dcos,mellenburg/dcos,amitaekbote/dcos,dcos/dcos,surdy/dcos,mesosphere-mergebot/mergebot-test-dcos,kensipe/dcos,mesosphere-mergebot/dcos,GoelDeepak/dcos,mesosphere-mergebot/mergebot-test-dcos,mellenburg/dcos,mesosphere-mergebot/dcos,GoelDeepak/dcos,amitaekbote/dcos,dcos/dcos,surdy/dcos,GoelDeepak/dcos,mesosphere-mergebot/dcos,mellenburg/dcos,amitaekbote/dcos,dcos/dcos,mellenburg/dcos,amitaekbote/dcos