Revert "Prevent the app from quitting while the Fire button is active" (

#690)

Task/Issue URL: https://app.asana.com/0/1177771139624306/1202342287825730/f
Tech Design URL:
CC:

Description:

This PR reverts #670. We had reports of the Fire button getting stuck, and this change made it so that Command+Q no longer worked, confusing users. They were still able to quit via Force Quit, but this isn't clear to everybody.

DuckDuckGo/App Delegate/AppDelegate.swift

@@ -129,15 +129,9 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
             if alert.runModal() == .cancel {
                 return .terminateCancel
             }
-
             FileDownloadManager.shared.cancelAll(waitUntilDone: true)
             DownloadListCoordinator.shared.sync()
         }
-
-        if FireCoordinator.fireViewModel.isBurning {
-            return .terminateLater
-        }
-
         stateRestorationManager?.applicationWillTerminate()
 
         return .terminateNow

DuckDuckGo/Fire/Model/Fire.swift

@@ -137,7 +137,6 @@ final class Fire {
         }
     }
 
-    // swiftlint:disable function_body_length
     func burnDomains(_ domains: Set<String>,
                      includingHistory: Bool = true,
                      completion: (() -> Void)? = nil) {
@@ -208,11 +207,9 @@ final class Fire {
                 completion?()
 
                 os_log("Fire finished", log: .fire)
-                NSApp.reply(toApplicationShouldTerminate: true)
             }
         }
     }
-    // swiftlint:enable function_body_length
 
     func burnAll(tabCollectionViewModel: TabCollectionViewModel, completion: (() -> Void)? = nil) {
         os_log("Fire started", log: .fire)
@@ -258,7 +255,6 @@ final class Fire {
                 completion?()
 
                 os_log("Fire finished", log: .fire)
-                NSApp.reply(toApplicationShouldTerminate: true)
             }
         }
     }

DuckDuckGo/Fire/ViewModel/FireViewModel.swift

@@ -25,10 +25,6 @@ final class FireViewModel {
 
     @Published var isAnimationPlaying = false
 
-    var isBurning: Bool {
-        fire.burningData != nil
-    }
-
     /// Publisher that emits true if burning animation or burning process is in progress
     var shouldPreventUserInteraction: AnyPublisher<Bool, Never> {
         Publishers