fix: token program moved to its own repo (#502)

web3.js/src/index.js

@@ -6,7 +6,6 @@ export {Connection} from './connection';
 export {Loader} from './loader';
 export {PublicKey} from './publickey';
 export {SystemInstruction, SystemProgram} from './system-program';
-export {Token, TokenAmount} from './token-program';
 export {Transaction, TransactionInstruction} from './transaction';
 export {VALIDATOR_INFO_KEY, ValidatorInfo} from './validator-info';
 export {VOTE_ACCOUNT_KEY, VoteAccount} from './vote-account';