Hide the now-unused RPP items

Hides:
- Molten RPP bucket
- Liquid RPP bucket
- Hot RPP ingot

Author: Jeuvke

kubejs/startup_scripts/gtceu/constants.js

@@ -143,6 +143,9 @@ global.GTCEU_DISABLED_ITEMS = /** @type {const} */ ([
     "gtceu:damascus_steel_bucket",
 
     "gtceu:palladium_buzzsaw",
+    "gtceu:molten_rhodium_plated_palladium_bucket",
+    "gtceu:rhodium_plated_palladium_bucket",
+    "gtceu:hot_rhodium_plated_palladium_ingot",
 
     "gtceu:molten_black_bronze_bucket",
     "gtceu:molten_bismuth_bronze_bucket",