docs: remove test devices page #4192

Job	Run time
Approve	1s
Build aarch64-unknown-linux-musl	5m 14s
Build armv7-unknown-linux-musleabihf	5m 41s
Build arm-unknown-linux-musleabihf	4m 53s
Build arm-unknown-linux-musleabi	5m 6s
Build armv5te-unknown-linux-musleabi	4m 56s
Build x86_64-unknown-linux-musl	4m 52s
Build i686-unknown-linux-musl	5m 10s
Build riscv64gc-unknown-linux-gnu	5m 10s
Build aarch64-apple-darwin	5m 8s
Build x86_64-apple-darwin	5m 47s
check-build	1s
Test x86_64	15m 3s
Publish ${{ matrix.job.target }}	0s
Publish Containers	0s
Publish Virtual Packages	0s
release	0s
	1h 7m 2s

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