Clippy cleanup for all targets and nighly rust (also support 1.44.0) (#10445)

* address warnings from 'rustup run beta cargo clippy --workspace'

minor refactoring in:
- cli/src/cli.rs
- cli/src/offline/blockhash_query.rs
- logger/src/lib.rs
- runtime/src/accounts_db.rs

expect some performance improvement AccountsDB::clean_accounts()

* address warnings from 'rustup run beta cargo clippy --workspace --tests'

* address warnings from 'rustup run nightly cargo clippy --workspace --all-targets'

* rustfmt

* fix warning stragglers

* properly fix clippy warnings test_vote_subscribe()
replace ref-to-arc with ref parameters where arc not cloned

* Remove lock around JsonRpcRequestProcessor (#10417)

automerge

* make ancestors parameter optional to avoid forcing construction of empty hash maps

Co-authored-by: Greg Fitzgerald <greg@solana.com>

sdk/src/abi_example.rs

@@ -298,7 +298,7 @@ impl<T: AbiExample> AbiExample for Box<T> {
     }
 }
 
-impl<T> AbiExample for Box<dyn Fn(&mut T) -> () + Sync + Send> {
+impl<T> AbiExample for Box<dyn Fn(&mut T) + Sync + Send> {
     fn example() -> Self {
         info!("AbiExample for (Box<T>): {}", type_name::<Self>());
         Box::new(move |_t: &mut T| {})