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, 34 deletions

diff --git a/third_party/immer/example/vector/fizzbuzz.cpp b/third_party/immer/example/vector/fizzbuzz.cpp
deleted file mode 100644
index c7765a6200a0..000000000000
--- a/third_party/immer/example/vector/fizzbuzz.cpp
+++ /dev/null
@@ -1,34 +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 <iostream>
-#include <string>
-
-// include:fizzbuzz/start
-immer::vector<std::string>
-fizzbuzz(immer::vector<std::string> v, int first, int last)
-{
-    for (auto i = first; i < last; ++i)
-        v = std::move(v).push_back(
-            i % 15 == 0 ? "FizzBuzz"
-                        : i % 5 == 0 ? "Bizz"
-                                     : i % 3 == 0 ? "Fizz" :
-                                                  /* else */ std::to_string(i));
-    return v;
-}
-// include:fizzbuzz/end
-
-int main()
-{
-    auto v = fizzbuzz({}, 0, 100);
-    std::copy(v.begin(),
-              v.end(),
-              std::ostream_iterator<std::string>{std::cout, "\n"});
-}