Remove in-tree max-encoded-len and use the new SCALE codec crate instead (#9163)

* Update impl-codec to use new upstream MaxEncodedLen trait

* Adapt crates to use the updated codec crate for `MaxEncodedLen`

* Remove max-encoded-len crate altogether

* Fix test compilation in `pallet-proxy`

* reorganize import (#9186)

* Fix remaining `MaxEncodedLen` imports

* Fix remaining old usages of max-encoded-len crate

* Fix UI test

* Manually depend on new impl-codec to fix Polkadot companion build

* Use newly released primitive-types v0.9.1 that has new codec impls

* Make sure codec deps are up-to-date in crates that use them

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

substrate/frame/system/src/lib.rs

@@ -88,7 +88,7 @@ use frame_support::{
 	Parameter, storage,
 	traits::{
 		SortedMembers, Get, PalletInfo, OnNewAccount, OnKilledAccount, HandleLifetime,
-		StoredMap, EnsureOrigin, OriginTrait, Filter, MaxEncodedLen,
+		StoredMap, EnsureOrigin, OriginTrait, Filter,
 	},
 	weights::{
 		Weight, RuntimeDbWeight, DispatchInfo, DispatchClass,
@@ -96,7 +96,7 @@ use frame_support::{
 	},
 	dispatch::{DispatchResultWithPostInfo, DispatchResult},
 };
-use codec::{Encode, Decode, FullCodec, EncodeLike};
+use codec::{Encode, Decode, FullCodec, EncodeLike, MaxEncodedLen};
 
 #[cfg(feature = "std")]
 use frame_support::traits::GenesisBuild;