chore: wasm/warg namespace cleanup #1944

Job	Run time
changes	7s
run-deny	1m 51s
run-tests (ubuntu-latest, stable, all)	14m 3s
run-tests (ubuntu-latest, stable, none)	6m 18s
build-and-run-examples	4m 44s
run-tests (ubuntu-latest, nightly, all)	8m 53s
run-cargo-tests	7m 34s
run-tests (ubuntu-latest, nightly, none)	5m 14s
run-tests (macos-13, stable, all)	16m 4s
run-checks (ubuntu-latest, stable)	3m 33s
run-docs	5m 19s
run-tests (macos-13, stable, none)	14m 18s
run-checks (ubuntu-latest, nightly)	3m 49s
run-tests (macos-13, nightly, all)	14m 43s
run-checks (ubuntu-latest, 1.75.0)	3m 40s
run-tests-windows (stable, all)	17m 22s
run-tests (macos-13, nightly, none)	8m 31s
run-checks (macos-14, stable)	3m 35s
run-tests-windows (stable, none)	13m 15s
run-checks (macos-14, nightly)	3m 50s
run-tests-windows (nightly, all)	12m 36s
run-checks (macos-14, 1.75.0)	3m 55s
run-tests-windows (nightly, none)	11m 6s
run-checks (windows-latest, stable)	8m 27s
run-checks (windows-latest, nightly)	7m 28s
run-checks (windows-latest, 1.75.0)	8m 21s
	3h 28m 36s

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