treewide: Do not limit hardenging because gcc 4.9 in bootstrap

Bootstrap tools has since been bumped

pkgs/development/tools/misc/binutils/default.nix

@@ -61,9 +61,6 @@ stdenv.mkDerivation rec {
 
   inherit noSysDirs;
 
-  # FIXME needs gcc 4.9 in bootstrap tools
-  hardeningDisable = [ "stackprotector" ];
-
   preConfigure = ''
     # Clear the default library search path.
     if test "$noSysDirs" = "1"; then

pkgs/development/tools/misc/gnum4/default.nix

@@ -15,9 +15,6 @@ stdenv.mkDerivation rec {
   # Upstream is aware of it; it may be in the next release.
   patches = [ ./s_isdir.patch ] ++ stdenv.lib.optional hostPlatform.isDarwin stdenv.secure-format-patch;
 
-  # FIXME needs gcc 4.9 in bootstrap tools
-  hardeningDisable = [ "stackprotector" ];
-
   meta = {
     homepage = http://www.gnu.org/software/m4/;
     description = "GNU M4, a macro processor";

pkgs/development/tools/misc/patchelf/default.nix

@@ -10,9 +10,6 @@ stdenv.mkDerivation rec {
 
   setupHook = [ ./setup-hook.sh ];
 
-  # FIXME needs gcc 4.9 in bootstrap tools
-  hardeningDisable = [ "stackprotector" ];
-
   #doCheck = true; # problems when loading libc.so.6
 
   meta = {

pkgs/development/tools/misc/texinfo/6.3.nix

@@ -17,9 +17,6 @@ stdenv.mkDerivation rec {
 
   configureFlags = stdenv.lib.optional stdenv.isSunOS "AWK=${gawk}/bin/awk";
 
-  # FIXME needs gcc 4.9 in bootstrap tools
-  hardeningDisable = [ "stackprotector" ];
-
   preInstall = ''
     installFlags="TEXMF=$out/texmf-dist";
     installTargets="install install-tex";