remove unsafe check for big sur 11.3 and lower

Since we are no longer using `softwareupdate --download --all` this bug may no longer be triggering. This needs to be tested but I think it will work.

Nudge/UI/Main.swift

@@ -63,19 +63,13 @@ class AppDelegate: NSObject, NSApplicationDelegate {
  if Utils().demoModeEnabled() {
  return
  }
- if Utils().unsafeSoftwareUpdate() {
- // Temporary workaround for Big Sur bug
- let msg = "Due to a bug in Big Sur 11.3 and lower, Nudge cannot reliably use /usr/sbin/softwareupdate to download updates. See https://openradar.appspot.com/radar?id=4987491098558464 for more information regarding this issue."
- softwareupdateDownloadLog.warning("\(msg, privacy: .public)")
- return
- } else {
- if asyncronousSoftwareUpdate && Utils().requireMajorUpgrade() == false {
- DispatchQueue(label: "nudge-su", attributes: .concurrent).asyncAfter(deadline: .now(), execute: {
- SoftwareUpdate().Download()
- })
- } else {
+
+ if asyncronousSoftwareUpdate && Utils().requireMajorUpgrade() == false {
+ DispatchQueue(label: "nudge-su", attributes: .concurrent).asyncAfter(deadline: .now(), execute: {
  SoftwareUpdate().Download()
- }
+ })
+ } else {
+ SoftwareUpdate().Download()
  }
  }
 

Nudge/Utilities/Utils.swift

@@ -473,15 +473,6 @@ struct Utils {
  return simpleModeEnabled
  }
 
- func unsafeSoftwareUpdate() -> Bool {
- let runningUnsafeSoftwareUpdateOSVersion = versionLessThan(currentVersion: currentOSVersion, newVersion: "11.4")
- if runningUnsafeSoftwareUpdateOSVersion {
- return true
- } else {
- return false
- }
- }
-
  func updateDevice(userClicked: Bool = true) {
  if userClicked {
  let msg = "User clicked updateDevice"