fix(performance-relayer): properly clean up event listeners (#11410)
fix(performance-relayer): properly clean up event listeners (#11410)

Co-authored-by: siarhei.fedarovich <6a31d12992493cc8b189007b78eaa18142bea265@ticketmaster.com>
Co-authored-by: Joe Haddad <9a59834641c3efaef8f42337ff0c7967b38f1c43@zeit.co>
flybayer/next.js,zeit/next.js,azukaru/next.js,JeromeFitz/next.js,flybayer/next.js,JeromeFitz/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,zeit/next.js,JeromeFitz/next.js,JeromeFitz/next.js,zeit/next.js,flybayer/next.js,azukaru/next.js