simplify SessionRequestsProvider

Sources/WalletConnectSign/Sign/SessionRequestsProvider.swift

@@ -4,41 +4,17 @@ import Foundation
 class SessionRequestsProvider {
     private let historyService: HistoryService
     private var sessionRequestPublisherSubject = PassthroughSubject<(request: Request, context: VerifyContext?), Never>()
-    private var cancellables = Set<AnyCancellable>()
-    private var lastEmitDate: Date?
-    private var emitRequestSubject = PassthroughSubject<Void, Never>()
-
     public var sessionRequestPublisher: AnyPublisher<(request: Request, context: VerifyContext?), Never> {
         sessionRequestPublisherSubject.eraseToAnyPublisher()
     }
 
     init(historyService: HistoryService) {
         self.historyService = historyService
-        setupEmitRequestHandling()
-    }
-
-    private func setupEmitRequestHandling() {
-        emitRequestSubject
-            .sink { [weak self] _ in
-                guard let self = self else { return }
-                let now = Date()
-                if let lastEmitDate = self.lastEmitDate, now.timeIntervalSince(lastEmitDate) < 1 {
-                    // If the last emit was less than 1 second ago, ignore this request.
-                    return
-                }
-
-                // Update the last emit time to now.
-                self.lastEmitDate = now
-
-                // Fetch the oldest request and emit it.
-                if let oldestRequest = self.historyService.getPendingRequestsSortedByTimestamp().first {
-                    self.sessionRequestPublisherSubject.send(oldestRequest)
-                }
-            }
-            .store(in: &cancellables)
     }
 
     func emitRequestIfPending() {
-        emitRequestSubject.send(())
+        if let oldestRequest = self.historyService.getPendingRequestsSortedByTimestamp().first {
+            self.sessionRequestPublisherSubject.send(oldestRequest)
+        }
     }
 }