[turbopack] Remove ChunkableModule #94799

Job	Run time
deploy-target	0s
publish-turbopack-npm-packages	0s
stable - ${{ matrix.settings.target }} - node@16	0s
Deploy preview tarball	0s
build	0s
Deploy examples	0s
Upload Turbopack Bytesize metrics to Datadog	0s
Potentially publish release	0s
thank you, build	0s
build-wasm	-6s
	-6s

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