Deprecate abi-gen-wrappers (#2370)

* generate wrappers in @0x/contract-wrappers and delete abi-gen-wrappers

* trim exports from contract-wrappers

* separate contract-wrappers tests to get rid of dependency cycle

* remove dummy token contracts

* temporarily skip coordinator test until we can upgrade coordinator server

packages/contract-artifacts/src/index.ts

@@ -4,7 +4,6 @@ import * as CoordinatorRegistry from '../artifacts/CoordinatorRegistry.json';
 import * as DevUtils from '../artifacts/DevUtils.json';
 import * as DummyERC20Token from '../artifacts/DummyERC20Token.json';
 import * as DummyERC721Token from '../artifacts/DummyERC721Token.json';
-import * as DutchAuction from '../artifacts/DutchAuction.json';
 import * as ERC1155Mintable from '../artifacts/ERC1155Mintable.json';
 import * as ERC1155Proxy from '../artifacts/ERC1155Proxy.json';
 import * as ERC20Proxy from '../artifacts/ERC20Proxy.json';
@@ -17,7 +16,6 @@ import * as IAssetProxy from '../artifacts/IAssetProxy.json';
 import * as IValidator from '../artifacts/IValidator.json';
 import * as IWallet from '../artifacts/IWallet.json';
 import * as MultiAssetProxy from '../artifacts/MultiAssetProxy.json';
-import * as OrderValidator from '../artifacts/OrderValidator.json';
 import * as Staking from '../artifacts/Staking.json';
 import * as StakingProxy from '../artifacts/StakingProxy.json';
 import * as StaticCallProxy from '../artifacts/StaticCallProxy.json';
@@ -28,7 +26,6 @@ import * as ZrxVault from '../artifacts/ZrxVault.json';
 
 export {
     AssetProxyOwner,
-    DutchAuction,
     DevUtils,
     DummyERC20Token,
     DummyERC721Token,
@@ -45,7 +42,6 @@ export {
     IValidator,
     IWallet,
     MultiAssetProxy,
-    OrderValidator,
     StaticCallProxy,
     WETH9,
     ZRXToken,