Remove @ sign from contributor names #58

Job	Run time
changelog	6s
GNU/Linux x86_64 (x86_64-unknown-linux-gnu)	1m 5s
Linux musl x86_64 (x86_64-unknown-linux-musl)	2m 38s
macOS x86_64 (x86_64-apple-darwin)	1m 9s
Windows x86_64 (x86_64-pc-windows-msvc)	3m 1s
NetBSD x86_64 (x86_64-unknown-netbsd)	2m 3s
freeBSD x86_64 (x86_64-unknown-freebsd)	2m 15s
Android aarch64 (aarch64-linux-android)	2m 20s
GNU/Linux aarch64 (aarch64-unknown-linux-gnu)	2m 44s
Linux musl aarch64 (aarch64-unknown-linux-musl)	2m 42s
macOS aarch64 (aarch64-apple-darwin)	1m 5s
Windows aarch64 (aarch64-pc-windows-msvc)	3m 42s
GNU/Linux ARMv7 (armv7-unknown-linux-gnueabihf)	2m 21s
	27m 11s

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