* Simplify some pattern-matches (#16402)
When those match an exact combinator on Option / Result.
Tool-aided by [comby-rust](https://github.com/huitseeker/comby-rust).
(cherry picked from commit b08cff9e77
)
# Conflicts:
# accounts-cluster-bench/src/main.rs
# core/src/rpc.rs
# runtime/src/accounts_hash.rs
# runtime/src/message_processor.rs
* Fix conflicts
Co-authored-by: François Garillot <4142+huitseeker@users.noreply.github.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>