remove strum from rustjswasm #118

Job	Run time
build (js, ubuntu-latest)	1m 11s
build (python, ubuntu-latest)	50s
build (js, macos-latest)	1m 9s
build (jupyter, ubuntu-latest)	2m 2s
build (rust, macos-latest)	5m 8s
build (jupyter, macos-latest)	3m 2s
build (rustjswasm, macos-latest)	6m 53s
build (rust, ubuntu-latest)	4m 58s
build (python, macos-latest)	54s
build (rustjswasm, ubuntu-latest)	7m 15s
	33m 22s

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