gmp4: drop

No more usages in nixpkgs.

Author: LeSuisse

pkgs/development/libraries/gmp/4.3.2.nix

@@ -472,6 +472,7 @@ mapAliases {
   glfw-wayland-minecraft = glfw3-minecraft; # Added 2024-05-08
   glxinfo = mesa-demos; # Added 2024-07-04
   gmailieer = throw "'gmailieer' has been renamed to/replaced by 'lieer'"; # Converted to throw 2024-10-17
+  gmp4 = throw "'gmp4' is end-of-life, consider using 'gmp' instead"; # Added 2024-12-24
   gnatboot11 = gnat-bootstrap11;
   gnatboot12 = gnat-bootstrap12;
   gnatboot = gnat-bootstrap;

pkgs/development/libraries/gmp/need-size-t.patch

@@ -9221,7 +9221,6 @@ with pkgs;
   gmime3 = callPackage ../development/libraries/gmime/3.nix { };
   gmime = gmime2;
 
-  gmp4 = callPackage ../development/libraries/gmp/4.3.2.nix { }; # required by older GHC versions
   gmp6 = callPackage ../development/libraries/gmp/6.x.nix { };
   gmp = gmp6;
   gmpxx = gmp.override { cxx = true; };