Use newest stake program and fix post-update

Author: joncinque

program/tests/fixtures/solana_stake_program.so

@@ -1,7 +1,6 @@
 #![allow(dead_code)]
 
 use {
-    agave_feature_set::stake_raise_minimum_delegation_to_1_sol,
     borsh::BorshDeserialize,
     solana_compute_budget_interface::ComputeBudgetInstruction,
     solana_program::{
@@ -55,17 +54,15 @@ const ACCOUNT_RENT_EXEMPTION: u64 = 1_000_000_000; // go with something big to b
 
 pub fn program_test() -> ProgramTest {
     let mut program_test = ProgramTest::new("spl_stake_pool", id(), processor!(Processor::process));
-    program_test.add_upgradeable_program_to_genesis("solana_stake_program", &stake::program::id());
-    program_test.deactivate_feature(stake_raise_minimum_delegation_to_1_sol::id());
+    program_test.add_program("solana_stake_program", stake::program::id(), None);
     program_test
 }
 
 pub fn program_test_with_metadata_program() -> ProgramTest {
     let mut program_test = ProgramTest::default();
-    program_test.add_upgradeable_program_to_genesis("solana_stake_program", &stake::program::id());
-    program_test.deactivate_feature(stake_raise_minimum_delegation_to_1_sol::id());
     program_test.add_program("spl_stake_pool", id(), processor!(Processor::process));
     program_test.add_program("mpl_token_metadata", inline_mpl_token_metadata::id(), None);
+    program_test.add_program("solana_stake_program", stake::program::id(), None);
     program_test
 }