This reverts commit 77aeced1.

* BoundedVec and MaxEncodedLen

* Added test for exceeding max vesting

* try_append instead of insert

* Fix mocks.

* Replace deprecated.

* Migrated auction mock file to construct_runtime macro

* Migrated currencies mock file to contruct_runtime

* Migrated gradually-update mock file to construct_runtime

* Migrated nft mock file to construct_runtime macro

* Migrated oracle mock file to construct_runtime

* Migrated rewards mock file to construct_runtime macro

* Migrated mock file to construct_runtime macro

* Migrated mock file to construct_runtime macro

* Tidy up oracle module.

* Tokens and currencies module.

* Apply convention to modules.

* migrate rewards module

* migrate gradually-update module

* migrate currencies module

* migrate vesting module

* Update orml.

* Update substrate.

* fix mocks.

* Apply substrate breaking change.

* Fix readme typo.

* update for rc5

* update for rc5

* remove system

* fix format

* fix format

* Update lib.rs

fix format build failed

Co-authored-by: zjb0807 <zjb0807@qq.com>

* fix vesting

* add tests

* Add descriptions to all cargo subprojects

* Add repository field to all cargo subprojects

* Modify GitHub actions to run cargo unleash

* Add license-file field to all cargo subprojects

* Remove pallet-balances/std feature from std feature of schedule-update

* Add version numbers to path dependencies

* Fix compilation errors on all cargo subprojects

* Attempt to force use one version of the compiler

* Put cargo unleash step at the very end

* Fix all test compile errors

* Use drain_prefix instead of drain

* fix tests

Co-authored-by: Bryan Chen <xlchen1291@gmail.com>

* update substrate

* fix tests

* Rename oracle rpc fn name.

* Update to new set_lock api.

* Fix due to pallet_balances breaking changes.

* Remove unused imports.

* fmt

* Init vesting module.

* Impl add vesting schedule.

* Renaming dependencies.

* Renaming vesting module event.

* Checked arithmatic.

* Adding new vesting schedule merges with outstanding locked balance and until.

* Make VestingSchedule fields public.

* Claim vesting.

* Update locked_amount calculation.

* Unique saturated into.

* Unit test of claim call.

* Add update_vesting_schedules.

* update_vesting_shedules unit tests.

* Ensure lockable.

* Minor fixes.

* Remove todo comment.

* Merge fixme comments.

* Add dust removal and transfer_all in orml-tokens.

* Ensure existential rule for transfer, deposit and withdraw.

* orml-tokens transfer: return error if dest balance is zero and transfer amount below existential deposit.

* set_balance helper.

* Existential deposit unit tests.

* Fix orml-currencies mock.

* Renaming.

* Update transfer_all in orml-tokens.

* rename to FRAME

* fix test

* Rename paint to palette.

* Fix typo.

* Update comments.

* rename srml to paint

* fix case

* Tokens module: impl MultiCurrencyExtended.

* Minor fixes.

* Tokens module unit tests.

* Remove workspace src directory

* Add example crate.

* fmt

* Update example.

* Minor fixes.

* Remove allow dead code.