refactor(iroh): remove flume from iroh-cli and iroh #9597

Job	Run time
Cross Test (i686-unknown-linux-gnu)	8m 13s
Android Build Only (aarch64-linux-android)	1m 24s
Android Build Only (armv7-linux-androideabi)	1m 28s
Cross Build Only (x86_64-unknown-freebsd)	1m 11s
cargo deny	31s
Checking docs	1m 42s
check_semver	4m 26s
Checking fmt	16s
Checking typos	4s
clippy_check	3m 22s
codespell	4s
Docker Test	8m 29s
Minimal Supported Rust Version	1m 29s
Run network simulations/benchmarks	7m 13s
Build wasm32	36s
CI Test Suite / Tests (ubuntu-latest, stable, all)	4m 19s
CI Test Suite / Tests (ubuntu-latest, stable, none)	3m 29s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 32s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	5m 49s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	5m 24s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	8m 33s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	8m 13s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	5m 32s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	8m 27s
	1h 33m 46s

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