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, 42 deletions

diff --git a/third_party/immer/test/map/issue-56.cpp b/third_party/immer/test/map/issue-56.cpp
deleted file mode 100644
index 447c623ddad9..000000000000
--- a/third_party/immer/test/map/issue-56.cpp
+++ /dev/null
@@ -1,42 +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
-//
-
-// Thanks @dgel for reporting this issue
-// https://github.com/arximboldi/immer/issues/56
-
-#include <immer/flex_vector.hpp>
-#include <immer/map.hpp>
-#include <immer/vector.hpp>
-
-#include <catch.hpp>
-
-TEST_CASE("const map")
-{
-    const auto x = immer::map<std::string, int>{}.set("A", 1);
-    auto it      = x.begin();
-    CHECK(it->first == "A");
-    CHECK(it->second == 1);
-}
-
-TEST_CASE("const vector")
-{
-    const auto x =
-        immer::vector<std::pair<std::string, int>>{}.push_back({"A", 1});
-    auto it = x.begin();
-    CHECK(it->first == "A");
-    CHECK(it->second == 1);
-}
-
-TEST_CASE("const flex vector")
-{
-    const auto x =
-        immer::flex_vector<std::pair<std::string, int>>{}.push_back({"A", 1});
-    auto it = x.begin();
-    CHECK(it->first == "A");
-    CHECK(it->second == 1);
-}