Remove Budget from CLI (#11451)

* Remove support for Budget

Also:
* Make "pay" command a deprecated alias for the "transfer" command

* chore: remove budget from web3.js

* Drop Budget depedency from core

Validators no longer ship with builtin Budget

web3.js/src/index.js

@@ -1,7 +1,6 @@
 // @flow
 export {Account} from './account';
 export {BpfLoader} from './bpf-loader';
-export {BudgetProgram} from './budget-program';
 export {Connection} from './connection';
 export {Loader} from './loader';
 export {Message} from './message';