Reformat imports to a consistent style for imports

rustfmt.toml configuration:
  imports_granularity = "One"
  group_imports = "One"

rpc/src/rpc.rs

@@ -26,8 +26,7 @@ use {
             MAX_GET_SIGNATURE_STATUSES_QUERY_ITEMS, MAX_GET_SLOT_LEADERS, MAX_MULTIPLE_ACCOUNTS,
             NUM_LARGEST_ACCOUNTS,
         },
-        rpc_response::Response as RpcResponse,
-        rpc_response::*,
+        rpc_response::{Response as RpcResponse, *},
     },
     solana_faucet::faucet::request_airdrop_transaction,
     solana_gossip::{cluster_info::ClusterInfo, contact_info::ContactInfo},
@@ -4338,8 +4337,7 @@ pub mod tests {
         },
         spl_token::{
             solana_program::{program_option::COption, pubkey::Pubkey as SplTokenPubkey},
-            state::AccountState as TokenAccountState,
-            state::Mint,
+            state::{AccountState as TokenAccountState, Mint},
         },
         std::collections::HashMap,
     };