Reduce the scope of clippy exceptions

This prevents creation of new overly complex functions.

src/lib.rs

@@ -1,7 +1,5 @@
 #![forbid(unsafe_code)]
 #![deny(clippy::correctness, missing_debug_implementations, clippy::all)]
-// for now we hide warnings to not clutter/hide errors during "cargo clippy"
-#![allow(clippy::cognitive_complexity, clippy::too_many_arguments)]
 #![allow(clippy::match_bool)]
 #![feature(ptr_wrapping_offset_from)]
 #![feature(drain_filter)]