memtest86: remove and alias to memtest86plus

Legacy memtest86 was broken since NixOS 16.09
+ we've already been using memtest86+ fork
through 'boot.loader.grub.memtest86.enable'

pkgs/tools/misc/memtest86/default.nix

@@ -1,32 +0,0 @@
-{ stdenv, fetchurl }:
-
-stdenv.mkDerivation {
-  name = "memtest86-4.3.6";
-  
-  src = fetchurl {
-    url = https://www.memtest86.com/downloads/memtest86-4.3.6-src.tar.gz;
-    sha256 = "0qbksyl2hmkm12n7zbmf2m2n3q811skhykxx6a9a7y6r7k8y5qmv";
-  };
-
-  preBuild = ''
-    # Really dirty hack to get Memtest to build without needing a Glibc
-    # with 32-bit libraries and headers.
-    if test "$system" = x86_64-linux; then
-        mkdir gnu
-        touch gnu/stubs-32.h
-    fi
-  '';
-
-  NIX_CFLAGS_COMPILE = "-I.";
-  
-  installPhase = ''
-    mkdir -p $out
-    cp memtest.bin $out/
-  '';
-
-  meta = {
-    homepage = http://memtest86.com/;
-    description = "A tool to detect memory errors, to be run from a bootloader";
-    broken = true;
-  };
-}

pkgs/top-level/aliases.nix

@@ -181,6 +181,7 @@ mapAliases ({
   m3d-linux = m33-linux; # added 2016-08-13
   man_db = man-db; # added 2016-05
   manpages = man-pages; # added 2015-12-06
+  memtest86 = memtest86plus; # added 2019-05-08
   midoriWrapper = midori; # added 2015-01
   mlt-qt5 = libsForQt5.mlt;  # added 2015-12-19
   mobile_broadband_provider_info = mobile-broadband-provider-info; # added 2018-02-25

pkgs/top-level/all-packages.nix

@@ -4390,8 +4390,6 @@ in
 
   memtier-benchmark = callPackage ../tools/networking/memtier-benchmark { };
 
-  memtest86 = callPackage ../tools/misc/memtest86 { };
-
   memtest86-efi = callPackage ../tools/misc/memtest86-efi { };
 
   memtest86plus = callPackage ../tools/misc/memtest86+ { };