swift-nio related warnings when building DiscordBM with swiftbuild

[MahdiBM]

When building https://github.com/DiscordBM/DiscordBM:

> /Applications/Xcode-26.5.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift build --build-tests --build-system=swiftbuild --traits=ExperimentalNon64BitSystemsCompatibility

Building for debugging...
...
libtool: warning: 'NIO.o' has no symbols
libtool: warning: 'CNIOWindows.o' has no symbols
libtool: warning: 'CNIOWASI.o' has no symbols