fix: allow empty geolocation for nearby events

Refs: HOLI-11315

app/server.ts

 import { logger } from './adapters/Logger.ts'
 import { GeoApiClient } from './adapters/geo/GeoApiClient.ts'
-import { createSchema, createYoga, GraphQLError } from './deps.ts'
+import { createSchema, createYoga } from './deps.ts'
 import { QueryEvents, QueryEventsInput, QueryEventsOutput } from './usecases/QueryEvents.ts'
 import { JasdGateway } from './adapters/jasd/JasdGateway.ts'
 import { QueryEvent, QueryEventInput, QueryEventOutput } from './usecases/QueryEvent.ts'
@@ -94,8 +94,6 @@ const validateQueryNearbyEventsInput = (request: NearbyEventsRequest): QueryNear
     limit = 50
   }
 
-  if (!request.geolocationId) throw new GraphQLError('GeolocationId not present')
-
   return {
     limit: limit,
     offset: request.offset ?? 0,