Remove fpc 2.4.0: lazarus doesn't need it and it doesn't like .2.6.0 as bootstrap compiler

pkgs/development/compilers/fpc/2.4.0.nix

@@ -1,39 +0,0 @@
-{ stdenv, fetchurl, gawk }:
-
-let startFPC = import ./binary.nix { inherit stdenv fetchurl; }; in
-
-stdenv.mkDerivation rec {
-  version = "2.4.0";
-  name = "fpc-${version}";
-
-  src = fetchurl {
-    url = "http://downloads.sourceforge.net/sourceforge/freepascal/fpcbuild-${version}.tar.gz";
-    sha256 = "1m2g2bafjixbwl5b9lna5h7r56y1rcayfnbp8kyjfd1c1ymbxaxk";
-  };
-
-  buildInputs = [ startFPC gawk ];
-
-  preConfigure =
-    if stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux" then ''
-      sed -e "s@'/lib/ld-linux[^']*'@'''@" -i fpcsrc/compiler/systems/t_linux.pas
-      sed -e "s@'/lib64/ld-linux[^']*'@'''@" -i fpcsrc/compiler/systems/t_linux.pas
-    '' else "";
-
-  makeFlags = "NOGDB=1";
-
-  installFlags = "INSTALL_PREFIX=\${out}";
-  
-  postInstall = ''
-    for i in $out/lib/fpc/*/ppc*; do
-      ln -fs $i $out/bin/$(basename $i)
-    done
-    mkdir -p $out/lib/fpc/etc/
-    $out/lib/fpc/*/samplecfg $out/lib/fpc/${version} $out/lib/fpc/etc/
-  '';
-
-  meta = {
-    description = "Free Pascal Compiler from a source distribution";
-    maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -2690,7 +2690,6 @@ let
   adobe_flex_sdk = callPackage ../development/compilers/adobe-flex-sdk { };
 
   fpc = callPackage ../development/compilers/fpc { };
-  fpc_2_4_0 = callPackage ../development/compilers/fpc/2.4.0.nix { };
 
   gambit = callPackage ../development/compilers/gambit { };