md5

Remove README examples (#785) #1265

Job	Run time
set-msrv / set-msrv	3s
minimal-versions / minimal-versions	34s
test (1.85.0)	38s
test (stable)	34s
build (1.85.0, thumbv7em-none-eabi)	20s
build (stable, thumbv7em-none-eabi)	22s
build (1.85.0, wasm32-unknown-unknown)	24s
build (stable, loongarch64-unknown-linux-gnu)	24s
build (1.85.0, loongarch64-unknown-linux-gnu)	28s
build (stable, wasm32-unknown-unknown)	27s
	4m 14s

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