[ios] Removed obsolete viewDidUnload as it's not called on iOS 6+

iphone/Maps/Bookmarks/PlacePageVC.mm

@@ -120,12 +120,14 @@ typedef enum {Editing, Saved} Mode;
                          color:@""
                          category:MakeEmptyBookmarkAndCategory()
                          point:point];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged) name:UIDeviceOrientationDidChangeNotification  object:nil];
   }
   return self;
 }
 
 - (void) dealloc
 {
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
   self.pickerView = nil;
   self.pinTitle = nil;
   self.pinNotes = nil;
@@ -156,18 +158,12 @@ typedef enum {Editing, Saved} Mode;
 {
   [super viewDidLoad];
   self.title = self.pinTitle;
-  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged) name:UIDeviceOrientationDidChangeNotification  object:nil];
   if (m_mode == Editing)
     [self addRightNavigationItemWithAction:@selector(save)];
   else
     [self addRightNavigationItemWithAction:@selector(edit)];
 }
 
--(void)viewDidUnload
-{
-  [[NSNotificationCenter defaultCenter] removeObserver:self];
-}
-
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
 {
   return YES;

iphone/Maps/Classes/MapViewController.mm

@@ -516,13 +516,6 @@ NSInteger compareAddress(id l, id r, void * context)
   [super didReceiveMemoryWarning];
 }
 
-- (void) viewDidUnload
-{
-  // to correctly release view on memory warnings
-  self.m_myPositionButton = nil;
-  [super viewDidUnload];
-}
-
 - (void) OnTerminate
 {
   GetFramework().SaveState();
@@ -779,4 +772,12 @@ NSInteger compareAddress(id l, id r, void * context)
     [self.navigationController pushViewController:vc animated:YES];
 }
 
+- (void) dealloc
+{
+  [self destroyPopover];
+  self.m_myPositionButton = nil;
+  [super dealloc];
+}
+
+
 @end

iphone/Maps/Classes/PlacePreviewViewController.mm

@@ -75,12 +75,6 @@ typedef enum {APIPOINT, POI, MYPOSITION} Type;
     self.contentSizeForViewInPopover = CGSizeMake(320, 480);;
 }
 
--(void)viewDidUnload
-{
-  [[NSNotificationCenter defaultCenter] removeObserver:self];
-  [super viewDidUnload];
-}
-
 #pragma mark - Table view data source
 
 -(void)viewDidLoad
@@ -88,7 +82,7 @@ typedef enum {APIPOINT, POI, MYPOSITION} Type;
   [super viewDidLoad];
   self.navigationController.navigationBarHidden = NO;
   [self setTitle:NSLocalizedString(@"info", nil)];
-  [[NSNotificationCenter defaultCenter] addObserver:self  selector:@selector(orientationChanged)  name:UIDeviceOrientationDidChangeNotification  object:nil];
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged) name:UIDeviceOrientationDidChangeNotification object:nil];
 }
 
 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
@@ -315,6 +309,7 @@ typedef enum {APIPOINT, POI, MYPOSITION} Type;
 
 -(void)dealloc
 {
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
   self.placeAndCompass = nil;
   [super dealloc];
 }

iphone/Maps/Classes/SearchVC.mm

@@ -228,6 +228,8 @@ static void OnSearchResultCallback(search::Results const & res)
 - (void)dealloc
 {
   g_searchVC = nil;
+  [m_indicator release];
+  [m_originalIndicatorView release];
   [m_searchBar release];
   [m_table release];
   [categoriesNames release];
@@ -240,26 +242,6 @@ static void OnSearchResultCallback(search::Results const & res)
   g_searchVC = self;
 }
 
-- (void)viewDidUnload
-{
-  g_searchVC = nil;
-  // to correctly free memory
-  [m_indicator release];
-  m_indicator = nil;
-  [m_originalIndicatorView release];
-  m_originalIndicatorView = nil;
-  [m_searchBar release];
-  m_searchBar = nil;
-  [m_table release];
-  m_table = nil;
-  [categoriesNames release];
-  categoriesNames = nil;
-  [_searchResults release];
-  _searchResults = nil;
-  
-  [super viewDidUnload];
-}
-
 // Banner dialog handler
 - (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
 {