treewide: mesa_noglu, mesa_drivers, libGL_driver -> mesa

Just use mesa for these to be more clear. Move these to aliases.nix

pkgs/development/libraries/soil/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, unzip, mesa_noglu, libX11 }:
+{ stdenv, fetchurl, unzip, mesa, libX11 }:
 
 stdenv.mkDerivation rec {
   name = "soil";
@@ -8,8 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "00gpwp9dldzhsdhksjvmbhsd2ialraqbv6v6dpikdmpncj6mnc52";
   };
 
-  buildInputs = [ unzip mesa_noglu libX11 ];
-  
+  buildInputs = [ unzip mesa libX11 ];
+
   sourceRoot = "Simple OpenGL Image Library/projects/makefile";
   preBuild   = "mkdir obj";
   preInstall = "mkdir -p $out/lib $out/include";