Remove dead reference to gen-flow-files
Remove dead reference to gen-flow-files

Summary: gen-flow-files was removed a while back, but this reference remained.

Reviewed By: dsainati1

Differential Revision: D14142366

fbshipit-source-id: 203993cd6e7077c48429664ddb7819f856d30871

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow