[async-bm-loading] [ios] Review fixes.

iphone/Maps/Bookmarks/BookmarksRootVC.mm

@@ -302,9 +302,7 @@ extern NSString * const kBookmarkCategoryDeletedNotification =
   return NO;
 }
 
-#pragma mark : - MWMBookmarksObserver
+#pragma mark - MWMBookmarksObserver
 - (void)onBookmarksLoadFinished { [self.tableView reloadData]; }
 
-- (void)onBookmarksFileLoadSuccess { [self.tableView reloadData]; }
-
 @end

iphone/Maps/Core/Bookmarks/MWMBookmarksManager.mm

@@ -62,10 +62,7 @@ using TLoopBlock = void (^)(Observer observer);
   {
     __weak auto wSelf = self;
     bookmarkCallbacks.m_onStarted = [wSelf]() {
-      __strong auto self = wSelf;
-      if (!self)
-        return;
-      self.areBookmarksLoaded = NO;
+      wSelf.areBookmarksLoaded = NO;
     };
   }
   {
@@ -76,8 +73,7 @@ using TLoopBlock = void (^)(Observer observer);
         return;
       self.areBookmarksLoaded = YES;
       [self loopObservers:^(Observer observer) {
-        if ([observer respondsToSelector:@selector(onBookmarksLoadFinished)])
-          [observer onBookmarksLoadFinished];
+        [observer onBookmarksLoadFinished];
       }];
     };
   }

iphone/Maps/Core/Bookmarks/MWMBookmarksObserver.h

@@ -1,7 +1,8 @@
 @protocol MWMBookmarksObserver<NSObject>
 
-@optional
 - (void)onBookmarksLoadFinished;
+
+@optional
 - (void)onBookmarksFileLoadSuccess;
 
 @end