ucg: Don't depend on argp-standalone on Linux (#19995)
ucg: Don't depend on argp-standalone on Linux (#19995)

argp-standalone currently fails to compile on Linux,
but it's not necessary anyways because argp is part of
Glibc
rwhogg/homebrew-core,Linuxbrew/homebrew-core,maxim-belkin/homebrew-core,maxim-belkin/homebrew-core,rwhogg/homebrew-core,Linuxbrew/homebrew-core