refactor: let os handle pip invocation

VoidLink/ViewControllers/StreamFrameViewController.m

@@ -836,15 +836,6 @@
 
 // This will fire if the user opens control center or gets a low battery message
 - (void)applicationWillResignActive:(NSNotification *)notification {
-    if (_settings.enablePIP && self.pipController && !self.pipController.isPictureInPictureActive && self.pipController.isPictureInPicturePossible) {
-        VideoDecoderRenderer *renderer = self.streamMan.videoRenderer;
-        if (renderer && renderer.displayLayer && self.view.window) {
-            Log(LOG_I, @"Starting Picture in Picture");
-            [self.pipController startPictureInPicture];
-        } else {
-            Log(LOG_I, @"Skipping PiP start: Renderer/Layer/Window not ready OR PiP not possible.");
-        }
-    }
     if (_inactivityTimer != nil) {
         [_inactivityTimer invalidate];
         _inactivityTimer = nil;