chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 0 insertions, 55 deletions

diff --git a/third_party/immer/benchmark/set/insert.hpp b/third_party/immer/benchmark/set/insert.hpp
deleted file mode 100644
index be679b4de342..000000000000
--- a/third_party/immer/benchmark/set/insert.hpp
+++ /dev/null
@@ -1,55 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#pragma once
-
-#include "benchmark/config.hpp"
-
-#include <immer/set.hpp>
-#include <hash_trie.hpp> // Phil Nash
-#include <boost/container/flat_set.hpp>
-#include <set>
-#include <unordered_set>
-
-namespace {
-
-template <typename Generator, typename Set>
-auto benchmark_insert_mut_std()
-{
-    return [] (nonius::chronometer meter)
-    {
-        auto n = meter.param<N>();
-        auto g = Generator{}(n);
-
-        measure(meter, [&] {
-            auto v = Set{};
-            for (auto i = 0u; i < n; ++i)
-                v.insert(g[i]);
-            return v;
-        });
-    };
-}
-
-template <typename Generator, typename Set>
-auto benchmark_insert()
-{
-    return [] (nonius::chronometer meter)
-    {
-        auto n = meter.param<N>();
-        auto g = Generator{}(n);
-
-        measure(meter, [&] {
-            auto v = Set{};
-            for (auto i = 0u; i < n; ++i)
-                v = v.insert(g[i]);
-            return v;
-        });
-    };
-}
-
-} // namespace