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, 29 deletions

diff --git a/third_party/immer/example/vector/iota-transient-std.cpp b/third_party/immer/example/vector/iota-transient-std.cpp
deleted file mode 100644
index 451f44a10306..000000000000
--- a/third_party/immer/example/vector/iota-transient-std.cpp
+++ /dev/null
@@ -1,29 +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 <immer/vector.hpp>
-#include <immer/vector_transient.hpp>
-
-#include <algorithm>
-#include <iostream>
-
-// include:myiota/start
-immer::vector<int> myiota(immer::vector<int> v, int first, int last)
-{
-    auto t = v.transient();
-    std::generate_n(
-        std::back_inserter(t), last - first, [&] { return first++; });
-    return t.persistent();
-}
-// include:myiota/end
-
-int main()
-{
-    auto v = myiota({}, 0, 100);
-    std::copy(v.begin(), v.end(), std::ostream_iterator<int>{std::cout, "\n"});
-}