feat: remove staking feature for lightning

It is done automatically by deposits into the wallet, a different way than typical staking

BTC-000

Author: davidkaplanbitgo

modules/statics/src/lightning.ts

@@ -17,7 +17,6 @@ interface LightningConstructorOptions {
 export class LightningCoin extends BaseCoin {
   public static readonly DEFAULT_FEATURES = [
     CoinFeature.LIGHTNING_MODEL,
-    CoinFeature.STAKING,
     CoinFeature.CUSTODY,
     CoinFeature.CUSTODY_BITGO_TRUST,
   ];