fbi-servefiles: remove method definition from `test` block (#109613)
fbi-servefiles: remove method definition from `test` block (#109613)

This is no longer supported as of Homebrew/brew#13753.

See #109599.
lemzwerg/homebrew-core,adam-moss/homebrew-core,adam-moss/homebrew-core,Homebrew/homebrew-core,chrisfinazzo/homebrew-core,nandub/homebrew-core,makigumo/homebrew-core,filcab/homebrew-core,stgraber/homebrew-core,lemzwerg/homebrew-core,filcab/homebrew-core,nandub/homebrew-core,Homebrew/homebrew-core,makigumo/homebrew-core,sjackman/homebrew-core,stgraber/homebrew-core,sjackman/homebrew-core,chrisfinazzo/homebrew-core