Remove mem_info and references to parity-util-mem (#12795)

* Remove mem_info and some references to parity-util-mem

* [Draft] Finish removing references to `parity-util-mem`

* Upgrade dependencies

* Update scripts/ci/deny.toml

Co-authored-by: ordian <write@reusable.software>

* Fix Cargo.lock (remove unwanted dependency changes)

* Removed unused argument

* Run cargo fmt (didn't have pre-commit set up)

* Fix some CI errors

* Fix another CI error

* Remove unused dependency

Co-authored-by: ordian <write@reusable.software>

substrate/scripts/ci/deny.toml

@@ -160,7 +160,6 @@ allow = [
 ]
 # List of crates to deny
 deny = [
-    { name = "parity-util-mem", version = "<0.6" }
     # Each entry the name of a crate and a version range. If version is
     # not specified, all versions will be matched.
 ]