glm: remove 0.9.5.4, as it not used anymore.

was used only in libreoffice-still, where was commented out 2 years ago.
I feel it time for farewell 0.9.5.4.

pkgs/development/libraries/glm/0954.nix

@@ -1,36 +0,0 @@
-{ stdenv, fetchurl, unzip }:
-
-stdenv.mkDerivation rec {
-  name = "glm-0.9.5.4";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/project/ogl-math/${name}/${name}.zip";
-    sha256 = "0v14xssysy3q1h2mga6rqlz722mwbis4rrx76zmvhjqh17qh4l62";
-  };
-
-  buildInputs = [ unzip ];
-
-  outputs = [ "out" "doc" ];
-
-  installPhase = ''
-    mkdir -p "$out/include"
-    cp -r glm "$out/include"
-
-    mkdir -p "$doc/share/doc/glm"
-    cp -r doc/* "$doc/share/doc/glm"
-  '';
-
-  meta = with stdenv.lib; {
-    description = "OpenGL Mathematics library for C++";
-    longDescription = ''
-      OpenGL Mathematics (GLM) is a header only C++ mathematics library for
-      graphics software based on the OpenGL Shading Language (GLSL)
-      specification and released under the MIT license.
-    '';
-    homepage = http://glm.g-truc.net/;
-    license = licenses.mit;
-    branch = "0.9.5.4";
-    platforms = platforms.unix;
-    maintainers = with stdenv.lib.maintainers; [ fuuzetsu ];
-  };
-}

pkgs/top-level/all-packages.nix

@@ -8899,7 +8899,6 @@ with pkgs;
   };
 
   glm = callPackage ../development/libraries/glm { };
-  glm_0954 = callPackage ../development/libraries/glm/0954.nix { };
 
   globalplatform = callPackage ../development/libraries/globalplatform { };
   gppcscconnectionplugin =
@@ -16269,7 +16268,6 @@ with pkgs;
     inherit (gnome2) GConf ORBit2 gnome_vfs;
     inherit (gnome3) defaultIconTheme;
     zip = zip.override { enableNLS = false; };
-    #glm = glm_0954;
     bluez5 = bluez5_28;
     fontsConf = makeFontsConf {
       fontDirectories = [