Remove unnecessary file #685

Job	Run time
minrust	1m 54s
cross (i686-unknown-linux-gnu)	26s
loom	2m 15s
miri	11m 22s
cross (armv7-unknown-linux-gnueabihf)	32s
cross (powerpc-unknown-linux-gnu)	28s
nightly	3m 6s
rustfmt	7s
stable (ubuntu-latest)	1m 15s
stable (macos-latest)	1m 6s
cross (powerpc64-unknown-linux-gnu)	30s
tsan	2m 23s
stable (windows-latest)	2m 56s
cross (wasm32-unknown-unknown)	9s
Publish Documentation	1m 48s
	30m 17s

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