Update MessengerDestory

• Add remove function to PasswordStorage.
• Update PasswordStorage.live implementation.
• Remove password in MessengerDestroy.

Sources/XXMessengerClient/Messenger/Functions/MessengerDestroy.swift

@@ -15,10 +15,8 @@ extension MessengerDestroy {
         if cMix.networkFollowerStatus() == .running {
           try cMix.stopNetworkFollower()
         }
-        var hasRunningProcesses = cMix.hasRunningProcesses()
-        while hasRunningProcesses {
+        while cMix.hasRunningProcesses() {
           env.sleep(1)
-          hasRunningProcesses = cMix.hasRunningProcesses()
         }
       }
       env.ud.set(nil)