contracts: Get rid of #[pallet::without_storage_info] (#11414)

* Implement `MaxEncodeLen` for pallet-contracts storage

* Remove redundant debug println

* Move code len check to PrefabWasmModule::from_code

substrate/frame/contracts/src/tests.rs

@@ -288,6 +288,8 @@ impl Config for Test {
 	type DepositPerItem = DepositPerItem;
 	type AddressGenerator = DefaultAddressGenerator;
 	type ContractAccessWeight = DefaultContractAccessWeight<BlockWeights>;
+	type MaxCodeLen = ConstU32<{ 128 * 1024 }>;
+	type RelaxedMaxCodeLen = ConstU32<{ 256 * 1024 }>;
 }
 
 pub const ALICE: AccountId32 = AccountId32::new([1u8; 32]);