Remove src/test/bench

[brson]

I don't believe these test cases have served any purpose in years.

The shootout benchmarks are now upstreamed. A new benchmark suite
should rather be maintained out of tree.

r? @nikomatsakis

[alexcrichton]

Oh man am I jealous of that diffstat

🌴

[bors]

☔ The latest upstream changes (presumably #30900) made this pull request unmergeable. Please resolve the merge conflicts.

[nikomatsakis]

r=me, but needs rebase.

[brson]

@bors r=nikomatsakis

[bors]

📌 Commit 005c962 has been approved by nikomatsakis

[bors]

⌛ Testing commit 005c962 with merge 578690e...

[bors]

⛄ The build was interrupted to prioritize another pull request.

[bors]

⌛ Testing commit 005c962 with merge 5c18840...

[bors]

💔 Test failed - auto-mac-64-nopt-t

[alexcrichton]

@bors: retry

On Fri, Jan 29, 2016 at 7:53 PM, bors notifications@github.com wrote:

[image: 💔] Test failed - auto-mac-64-nopt-t
http://buildbot.rust-lang.org/builders/auto-mac-64-nopt-t/builds/7906

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Reply to this email directly or view it on GitHub
#31274 (comment).

[bors]

⌛ Testing commit 005c962 with merge c4bdc09...

[bors]

💔 Test failed - auto-linux-cross-opt

[alexcrichton]

@bors: retry

On Fri, Jan 29, 2016 at 8:53 PM, bors notifications@github.com wrote:

[image: 💔] Test failed - auto-linux-cross-opt
http://buildbot.rust-lang.org/builders/auto-linux-cross-opt/builds/1064

—
Reply to this email directly or view it on GitHub
#31274 (comment).

[bors]

⌛ Testing commit 005c962 with merge 9bda7ea...

[bors]

☀️ Test successful - auto-linux-32-nopt-t, auto-linux-32-opt, auto-linux-64-debug-opt, auto-linux-64-nopt-t, auto-linux-64-opt, auto-linux-64-x-android-t, auto-linux-cross-opt, auto-linux-musl-64-opt, auto-mac-32-opt, auto-mac-64-nopt-t, auto-mac-64-opt, auto-mac-ios-opt, auto-win-gnu-32-nopt-t, auto-win-gnu-32-opt, auto-win-gnu-64-nopt-t, auto-win-gnu-64-opt, auto-win-msvc-32-opt, auto-win-msvc-64-opt