[gaming] Remove heavy build packages

dolphin-emu-primehack will be available as a pre-build in 25.11

retroarch-full -- in general I'm wondering of using steam>retroarch is a
better experience

roles/desktop/gaming.nix

@@ -14,8 +14,13 @@ in
 
         # Emulators
         dolphin-emu
-        dolphin-emu-primehack
-        retroarch-full
+
+        # Waiting for 25.11 where the binary build has been fixed
+        #dolphin-emu-primehack
+
+        # Experimenting with just using the steam version + downloading
+        # indiviudal cores
+        #retroarch-full
         ryubing
       ];