Feature disable fees sysvar (#18981)

* Feature disable fees sysvar

* nudge

program-test/tests/sysvar.rs

@@ -1,12 +1,9 @@
-#[allow(deprecated)]
-use solana_sdk::sysvar::fees::Fees;
 use {
     solana_program_test::{processor, ProgramTest},
     solana_sdk::{
         account_info::AccountInfo, clock::Clock, entrypoint::ProgramResult,
-        epoch_schedule::EpochSchedule, fee_calculator::FeeCalculator, instruction::Instruction,
-        msg, pubkey::Pubkey, rent::Rent, signature::Signer, sysvar::Sysvar,
-        transaction::Transaction,
+        epoch_schedule::EpochSchedule, instruction::Instruction, msg, pubkey::Pubkey, rent::Rent,
+        signature::Signer, sysvar::Sysvar, transaction::Transaction,
     },
 };
 
@@ -24,17 +21,6 @@ fn sysvar_getter_process_instruction(
     let epoch_schedule = EpochSchedule::get()?;
     assert_eq!(epoch_schedule, EpochSchedule::default());
 
-    #[allow(deprecated)]
-    {
-        let fees = Fees::get()?;
-        assert_eq!(
-            fees.fee_calculator,
-            FeeCalculator {
-                lamports_per_signature: 5000
-            }
-        );
-    }
-
     let rent = Rent::get()?;
     assert_eq!(rent, Rent::default());