Fix Nightly Clippy Warnings (backport #18065) (#18070)

* chore: cargo +nightly clippy --fix -Z unstable-options

(cherry picked from commit 6514096a67)

# Conflicts:
#	core/src/banking_stage.rs
#	core/src/cost_model.rs
#	core/src/cost_tracker.rs
#	core/src/execute_cost_table.rs
#	core/src/replay_stage.rs
#	core/src/tvu.rs
#	ledger-tool/src/main.rs
#	programs/bpf_loader/build.rs
#	rbpf-cli/src/main.rs
#	sdk/cargo-build-bpf/src/main.rs
#	sdk/cargo-test-bpf/src/main.rs
#	sdk/src/secp256k1_instruction.rs

* chore: cargo fmt

(cherry picked from commit 789f33e8db)

* Updates BPF program assert_instruction_count tests.

(cherry picked from commit c1e03f3410)

# Conflicts:
#	programs/bpf/tests/programs.rs

* Resolve conflicts

Co-authored-by: Alexander Meißner <AlexanderMeissner@gmx.net>
Co-authored-by: Michael Vines <mvines@gmail.com>

genesis-utils/src/lib.rs

@@ -28,7 +28,7 @@ fn load_local_genesis(
     ledger_path: &std::path::Path,
     expected_genesis_hash: Option<Hash>,
 ) -> Result<GenesisConfig, String> {
-    let existing_genesis = GenesisConfig::load(&ledger_path)
+    let existing_genesis = GenesisConfig::load(ledger_path)
         .map_err(|err| format!("Failed to load genesis config: {}", err))?;
     check_genesis_hash(&existing_genesis, expected_genesis_hash)?;
 
@@ -54,12 +54,12 @@ pub fn download_then_check_genesis_hash(
     {
         unpack_genesis_archive(
             &tmp_genesis_package,
-            &ledger_path,
+            ledger_path,
             max_genesis_archive_unpacked_size,
         )
         .map_err(|err| format!("Failed to unpack downloaded genesis config: {}", err))?;
 
-        let downloaded_genesis = GenesisConfig::load(&ledger_path)
+        let downloaded_genesis = GenesisConfig::load(ledger_path)
             .map_err(|err| format!("Failed to load downloaded genesis config: {}", err))?;
 
         check_genesis_hash(&downloaded_genesis, expected_genesis_hash)?;