Exclude unnecessary files from being packaged #1818

Job	Run time
build_versions (stable)	52s
build_versions (beta)	34s
Test	58s
build_versions (1.61.0)	1m 10s
Docs	19s
cargo-deny (aarch64-apple-ios)	25s
Test (json)	50s
cargo-deny (aarch64-linux-android)	25s
Lint	31s
cargo-deny (i686-pc-windows-gnu)	18s
cargo-deny (i686-pc-windows-msvc)	24s
Test (charset)	47s
cargo-deny (i686-unknown-linux-gnu)	20s
Test (cookies)	51s
cargo-deny (wasm32-unknown-unknown)	24s
Test (socks-proxy)	50s
cargo-deny (x86_64-apple-darwin)	20s
Test (native-certs)	45s
cargo-deny (x86_64-apple-ios)	22s
Test (gzip)	40s
cargo-deny (x86_64-pc-windows-gnu)	26s
cargo-deny (x86_64-pc-windows-msvc)	20s
Test (brotli)	39s
cargo-deny (x86_64-unknown-linux-gnu)	26s
Test (http-crate)	39s
cargo-deny (x86_64-unknown-redox)	18s
Test (http-interop)	47s
Test (http-crate http-interop)	39s
Test (tls)	46s
Test (tls, json)	47s
Test (tls, charset)	42s
Test (tls, cookies)	48s
Test (tls, socks-proxy)	44s
Test (tls, native-certs)	40s
Test (tls, gzip)	55s
Test (tls, brotli)	42s
Test (tls, http-crate)	53s
Test (tls, http-interop)	47s
Test (tls, http-crate http-interop)	47s
Test (native-tls)	46s
Test (native-tls, json)	1m 8s
Test (native-tls, charset)	44s
Test (native-tls, cookies)	1m 1s
Test (native-tls, socks-proxy)	39s
Test (native-tls, native-certs)	39s
Test (native-tls, gzip)	45s
Test (native-tls, brotli)	43s
Test (native-tls, http-crate)	52s
Test (native-tls, http-interop)	41s
Test (native-tls, http-crate http-interop)	43s
	33m 31s

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