refactor MainActor 제거

Author: opficdev

DevLog/App/Assembler/InfraAssembler.swift

@@ -5,8 +5,7 @@
 //  Created by 최윤진 on 12/7/25.
 //
 
-final class InfraAssembler: @MainActor Assembler {
-    @MainActor
+final class InfraAssembler: Assembler {
     func assemble(_ container: any DIContainer) {
         container.register(
             AuthenticationService.self,

DevLog/Infra/Service/SocialLogin/GoogleAuthenticationService.swift

@@ -12,7 +12,6 @@ import FirebaseMessaging
 import Foundation
 import GoogleSignIn
 
-@MainActor
 final class GoogleAuthenticationService: AuthenticationService {
     private let store = Firestore.firestore()
     private let functions = Functions.functions(region: "asia-northeast3")