gtkmathview: remove after being marked broken for over two years

It was marked in commit 43a8ce0f5e by Kirill Boltaev on 2016-09-12 (commited on 2016-09-12)

pkgs/development/libraries/gtkmathview/default.nix

@@ -1,29 +0,0 @@
-{lib, stdenv, fetchurl, pkg-config, gtk2, t1lib, glib, libxml2, popt, gmetadom ? null }:
-
-let
-  pname = "gtkmathview";
-  version = "0.8.0";
-in
-
-stdenv.mkDerivation {
-  name = "${pname}-${version}";
-
-  src = fetchurl {
-    url = "http://helm.cs.unibo.it/mml-widget/sources/${pname}-${version}.tar.gz";
-    sha256 = "0hwcamf5fi35frg7q6kgisc9v0prqbhsplb2gl55cg3av9sh3hqx";
-  };
-
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ t1lib glib gmetadom libxml2 popt];
-  propagatedBuildInputs = [gtk2 t1lib];
-
-  patches = [ ./gcc-4.3-build-fixes.patch ./gcc-4.4-build-fixes.patch ];
-
-  meta = {
-    homepage = "http://helm.cs.unibo.it/mml-widget/";
-    description = "C++ rendering engine for MathML documents";
-    license = lib.licenses.lgpl3Plus;
-    maintainers = [ lib.maintainers.roconnor ];
-    broken = true;
-  };
-}

pkgs/development/libraries/gtkmathview/gcc-4.3-build-fixes.patch

@@ -1,74 +0,0 @@
-From: Stefano Zacchiroli <zack@upsilon.cc>
-Date: Fri, 11 Dec 2009 12:58:56 +0100
-Subject: [PATCH] gcc 4.3 build fixes
-
----
- mathmlps/main.cc                    |    1 +
- mathmlsvg/SMS.cc                    |    1 +
- mathmlsvg/main.cc                   |    1 +
- src/backend/ps/T1_FontDataBase.cc   |    2 +-
- src/engine/mathml/mathVariantAux.cc |    1 +
- 5 files changed, 5 insertions(+), 1 deletions(-)
-
-diff --git a/mathmlps/main.cc b/mathmlps/main.cc
-index cc6cd1c..48339af 100644
---- a/mathmlps/main.cc
-+++ b/mathmlps/main.cc
-@@ -19,6 +19,7 @@
- #include <config.h>
- 
- #include <cassert>
-+#include <cstring>
- #include <fstream>
- 
- #include <popt.h>
-diff --git a/mathmlsvg/SMS.cc b/mathmlsvg/SMS.cc
-index a76266e..be7add8 100644
---- a/mathmlsvg/SMS.cc
-+++ b/mathmlsvg/SMS.cc
-@@ -18,6 +18,7 @@
- 
- #include <config.h>
- 
-+#include <cstring>
- #include <sstream>
- #include "defs.h"
- #include "AbstractLogger.hh"
-diff --git a/mathmlsvg/main.cc b/mathmlsvg/main.cc
-index 259d67e..c49e8ac 100644
---- a/mathmlsvg/main.cc
-+++ b/mathmlsvg/main.cc
-@@ -19,6 +19,7 @@
- #include <config.h>
- 
- #include <cassert>
-+#include <cstring>
- #include <fstream>
- 
- #include <popt.h>
-diff --git a/src/backend/ps/T1_FontDataBase.cc b/src/backend/ps/T1_FontDataBase.cc
-index b6490eb..3dd436c 100644
---- a/src/backend/ps/T1_FontDataBase.cc
-+++ b/src/backend/ps/T1_FontDataBase.cc
-@@ -19,7 +19,7 @@
- #include <t1lib.h>
- #include <config.h>
- #include <map>
--#include <string>
-+#include <cstring>
- #include <stdlib.h>
- #include <iostream>
- #include <list>
-diff --git a/src/engine/mathml/mathVariantAux.cc b/src/engine/mathml/mathVariantAux.cc
-index 736acc1..dcf1826 100644
---- a/src/engine/mathml/mathVariantAux.cc
-+++ b/src/engine/mathml/mathVariantAux.cc
-@@ -19,6 +19,7 @@
- #include <config.h>
- 
- #include <cassert>
-+#include <cstring>
- 
- #include "mathVariantAux.hh"
- 
--- 

pkgs/development/libraries/gtkmathview/gcc-4.4-build-fixes.patch

@@ -1,21 +0,0 @@
-From: Stefano Zacchiroli <zack@upsilon.cc>
-Date: Fri, 11 Dec 2009 13:26:26 +0100
-Subject: [PATCH] gcc 4.4 build fixes
-
----
- src/common/AbstractLogger.cc |    1 +
- 1 files changed, 1 insertions(+), 0 deletions(-)
-
-diff --git a/src/common/AbstractLogger.cc b/src/common/AbstractLogger.cc
-index 6f638fb..c5b7e3d 100644
---- a/src/common/AbstractLogger.cc
-+++ b/src/common/AbstractLogger.cc
-@@ -19,6 +19,7 @@
- #include <config.h>
- 
- #include <stdarg.h>
-+#include <stdio.h>
- 
- #include "AbstractLogger.hh"
- 
--- 

pkgs/top-level/all-packages.nix

@@ -17302,8 +17302,6 @@ with pkgs;
 
   gtkimageview = callPackage ../development/libraries/gtkimageview { };
 
-  gtkmathview = callPackage ../development/libraries/gtkmathview { };
-
   glib = callPackage ../development/libraries/glib (let
     glib-untested = glib.override { doCheck = false; };
   in {