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, 35 deletions

diff --git a/third_party/immer/example/vector/move.cpp b/third_party/immer/example/vector/move.cpp
deleted file mode 100644
index 7eb815b62a6e..000000000000
--- a/third_party/immer/example/vector/move.cpp
+++ /dev/null
@@ -1,35 +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
-//
-
-#include <cassert>
-#include <immer/vector.hpp>
-
-// include:move-bad/start
-immer::vector<int> do_stuff(const immer::vector<int> v)
-{
-    return std::move(v).push_back(42);
-}
-// include:move-bad/end
-
-// include:move-good/start
-immer::vector<int> do_stuff_better(immer::vector<int> v)
-{
-    return std::move(v).push_back(42);
-}
-// include:move-good/end
-
-int main()
-{
-    auto v  = immer::vector<int>{};
-    auto v1 = do_stuff(v);
-    auto v2 = do_stuff_better(v);
-    assert(v1.size() == 1);
-    assert(v2.size() == 1);
-    assert(v1[0] == 42);
-    assert(v2[0] == 42);
-}