fix clippy warnings

runtime/src/bank.rs

@@ -33,7 +33,6 @@
 //! It offers a high-level API that signs transactions
 //! on behalf of the caller, and a low-level API for when they have
 //! already been signed and verified.
-use solana_bpf_loader_program::BpfExecutor;
 #[allow(deprecated)]
 use solana_sdk::recent_blockhashes_account;
 pub use solana_sdk::reward_type::RewardType;
@@ -87,6 +86,7 @@ use {
         iter::{IntoParallelIterator, IntoParallelRefIterator, ParallelIterator},
         ThreadPool, ThreadPoolBuilder,
     },
+    solana_bpf_loader_program::BpfExecutor,
     solana_measure::{measure, measure::Measure, measure_us},
     solana_metrics::{inc_new_counter_debug, inc_new_counter_info},
     solana_perf::perf_libs,