lib.licenses: replace gpl2UBDLPlus license with ubdlException

lib/licenses.nix

@@ -650,11 +650,6 @@ lib.mapAttrs mkLicense (
       fullName = "GNU General Public License v2.0 only";
     };
 
-    gpl2UBDLPlus = {
-      fullName = "GNU General Public License v3.0 or later (with UBDL exception)";
-      url = "https://spdx.org/licenses/UBDL-exception.html";
-    };
-
     gpl2Oss = {
       fullName = "GNU General Public License version 2 only (with OSI approved licenses linking exception)";
       url = "https://www.mysql.com/about/legal/licensing/foss-exception";
@@ -1326,6 +1321,11 @@ lib.mapAttrs mkLicense (
       url = "https://github.com/PixarAnimationStudios/OpenUSD/blob/release/LICENSE.txt";
     };
 
+    ubdlException = {
+      spdxId = "UBDL-exception";
+      fullName = "Unmodified Binary Distribution exception";
+    };
+
     ucd = {
       fullName = "Unicode Character Database License";
       url = "https://fedoraproject.org/wiki/Licensing:UCD";

pkgs/by-name/ip/ipxe/package.nix

@@ -147,7 +147,7 @@ stdenv.mkDerivation (finalAttrs: {
       bsd2
       bsd3
       gpl2Only
-      gpl2UBDLPlus
+      ubdlException
       isc
       mit
       mpl11