refactor to remove redundant imports

Author: ningthoujamSwamikumar

programs/token-2022/src/lib.rs

@@ -8,9 +8,6 @@ use {
     solana_instruction_view::InstructionAccount,
 };
 
-use solana_account_view::AccountView;
-use solana_instruction_view::InstructionAccount;
-
 solana_address::declare_id!("TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb");
 
 const ELGAMAL_PUBKEY_LEN: usize = 32;