fix faucet diff definition

Author: camfairchild

pallets/subtensor/src/subnets/registration.rs

@@ -381,11 +381,11 @@ impl<T: Config> Pallet<T> {
         );
 
         // --- 3. Ensure the supplied work passes the difficulty.
-        if !cfg!(feature = "fast-blocks") {
-            let difficulty: U256 = U256::from(1_000_000); // Base faucet difficulty.
+        let difficulty: U256 = if !cfg!(feature = "fast-blocks") {
+            U256::from(1_000_000) // Base faucet difficulty.
         } else {
-            let difficulty: U256 = U256::from(100); // Lowered for fast blocks
-        }
+            U256::from(100) // Lowered for fast blocks
+        };
 
         let work_hash: H256 = Self::vec_to_hash(work.clone());
         ensure!(