Remove unneeded NavigationBar animation code

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

AspenProject/VLCHTTPDownloadViewController.m

@@ -29,8 +29,6 @@
 
 - (void)viewWillAppear:(BOOL)animated
 {
-    self.navigationController.navigationBarHidden = NO;
-
     if ([[UIPasteboard generalPasteboard] containsPasteboardTypes:@[@"public.url", @"public.text"]]) {
         NSURL *pasteURL = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.url"];
         if (!pasteURL || [[pasteURL absoluteString] isEqualToString:@""]) {
@@ -45,13 +43,6 @@
     [super viewWillAppear:animated];
 }
 
-- (void)viewWillDisappear:(BOOL)animated
-{
-    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
-        self.navigationController.navigationBarHidden = YES;
-        [super viewWillDisappear:animated];
-}
-
 #pragma mark - UI interaction
 - (IBAction)downloadAction:(id)sender
 {

AspenProject/VLCOpenNetworkStreamViewController.m

@@ -37,8 +37,6 @@
 
 - (void)viewWillAppear:(BOOL)animated
 {
-    self.navigationController.navigationBarHidden = NO;
-
     if ([[UIPasteboard generalPasteboard] containsPasteboardTypes:@[@"public.url", @"public.text"]]) {
         NSURL *pasteURL = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.url"];
         if (!pasteURL || [[pasteURL absoluteString] isEqualToString:@""]) {
@@ -55,13 +53,6 @@
     [super viewWillAppear:animated];
 }
 
-- (void)viewWillDisappear:(BOOL)animated
-{
-    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
-        self.navigationController.navigationBarHidden = YES;
-    [super viewWillDisappear:animated];
-}
-
 - (CGSize)contentSizeForViewInPopover {
     return [self.view sizeThatFits:CGSizeMake(320, 800)];
 }