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, 65 deletions

diff --git a/third_party/immer/shell.nix b/third_party/immer/shell.nix
deleted file mode 100644
index 07629a197143..000000000000
--- a/third_party/immer/shell.nix
+++ /dev/null
@@ -1,65 +0,0 @@
-{ toolchain ? "",
-  nixpkgs ? (import <nixpkgs> {}).fetchFromGitHub {
-    owner  = "NixOS";
-    repo   = "nixpkgs";
-    rev    = "053ad4e0db7241ae6a02394d62750fdc5d64aa9f";
-    sha256 = "11l9sr8zg8j1n5p43zjkqwpj59gn8c84z1kf16icnsbnv2smzqdc";
-  }}:
-
-with import nixpkgs {};
-
-let
-  # For the documentation tools we use an older Nixpkgs since the
-  # newer versions seem to be not working great...
-  oldNixpkgsSrc = fetchFromGitHub {
-                    owner  = "NixOS";
-                    repo   = "nixpkgs";
-                    rev    = "d0d905668c010b65795b57afdf7f0360aac6245b";
-                    sha256 = "1kqxfmsik1s1jsmim20n5l4kq6wq8743h5h17igfxxbbwwqry88l";
-                  };
-  oldNixpkgs    = import oldNixpkgsSrc {};
-  docs          = import ./nix/docs.nix { nixpkgs = oldNixpkgsSrc; };
-  benchmarks    = import ./nix/benchmarks.nix { inherit nixpkgs; };
-  tc            =
-    if toolchain == ""        then { stdenv = stdenv; cc = stdenv.cc; } else
-    if toolchain == "gnu-6"   then { stdenv = gcc6Stdenv; cc = gcc6; } else
-    if toolchain == "gnu-7"   then { stdenv = gcc7Stdenv; cc = gcc7; } else
-    if toolchain == "gnu-8"   then { stdenv = gcc8Stdenv; cc = gcc8; } else
-    if toolchain == "gnu-9"   then { stdenv = gcc9Stdenv; cc = gcc9; } else
-    if toolchain == "llvm-39" then { stdenv = llvmPackages_39.libcxxStdenv; cc = llvmPackages_39.libcxxClang; } else
-    if toolchain == "llvm-4"  then { stdenv = llvmPackages_4.libcxxStdenv; cc = llvmPackages_4.libcxxClang; } else
-    if toolchain == "llvm-5"  then { stdenv = llvmPackages_5.libcxxStdenv; cc = llvmPackages_5.libcxxClang; } else
-    if toolchain == "llvm-6"  then { stdenv = llvmPackages_6.libcxxStdenv; cc = llvmPackages_6.libcxxClang; } else
-    if toolchain == "llvm-7"  then { stdenv = llvmPackages_7.libcxxStdenv; cc = llvmPackages_7.libcxxClang; } else
-    if toolchain == "llvm-8"  then { stdenv = llvmPackages_8.libcxxStdenv; cc = llvmPackages_8.libcxxClang; } else
-    if toolchain == "llvm-9"  then { stdenv = llvmPackages_9.stdenv; cc = llvmPackages_9.clang; } else
-    abort "unknown toolchain";
-
-in
-tc.stdenv.mkDerivation rec {
-  name = "immer-env";
-  buildInputs = [
-    tc.cc
-    git
-    cmake
-    pkgconfig
-    ninja
-    gdb
-    lldb
-    ccache
-    boost
-    boehmgc
-    benchmarks.c_rrb
-    benchmarks.steady
-    benchmarks.chunkedseq
-    benchmarks.immutable_cpp
-    benchmarks.hash_trie
-    oldNixpkgs.doxygen
-    (oldNixpkgs.python.withPackages (ps: [
-      ps.sphinx
-      docs.breathe
-      docs.recommonmark
-    ]))
-  ];
-  hardeningDisable = [ "fortify" ];
-}