fix(iroh): remove iroh dev self dep #11505

Job	Run time
cargo deny	27s
Android Build Only (aarch64-linux-android)	1m 8s
Android Build Only (armv7-linux-androideabi)	1m 7s
Checking docs	1m 32s
Checking fmt	19s
check_semver	2m 13s
clippy_check	2m 11s
codespell	5s
Cross Build Only (x86_64-unknown-freebsd)	48s
Cross Test (i686-unknown-linux-gnu)	2m 15s
Minimal Supported Rust Version	1m 20s
Build wasm32	45s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 15s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 3s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 41s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 10s
netsim-integration-tests / Netsim	6m 0s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	1m 58s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 58s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 16s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 23s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 22s
	39m 16s

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