Remove ol-swap processor (#102)

* Remove ol-swap processor

* Update node version in CI jobs

* Update node version specified in package.json

* Revert to older wallet-adapter

Author: whichnode

api/src/app/app.module.ts

@@ -14,7 +14,6 @@ import { GraphQLModule } from '../graphql/graphql.module.js';
 import { StatsModule } from '../stats/stats.module.js';
 import { WalletSubscriptionModule } from '../wallet-subscription/wallet-subscription.module.js';
 import { NatsModule } from '../nats/nats.module.js';
-import { OlSwapModule } from '../ol-swap/OlSwapModule.js';
 import { MultiSigModule } from '../multi-sig/multi-sig.module.js';
 
 @Module({
@@ -44,7 +43,6 @@ import { MultiSigModule } from '../multi-sig/multi-sig.module.js';
     NodeWatcherModule,
     StatsModule,
     WalletSubscriptionModule,
-    OlSwapModule,
     NodeWatcherModule,
     MultiSigModule,
   ],