Revert "Now allowing the custom nav bar to take up the whole space on iOS" (#2404)

* Revert "Improve getCurrentlyVisibleScreenId on iOS with drawers. (#2052)"

This reverts commit 2c30a52bb9.

* Revert "introducing navbar shadow on iOS (#2339)"

This reverts commit 8fd496e0c9.

* Revert "This fixes an issue with a custom title-view (which has a title and a subtitle) appearing at the left side of the nav-bar instead of the center during a transition animation: when a screen with this title-view is being pushed or when you pop back to it. (#2384)"

This reverts commit 3f7f6c2612.

* Revert "Now allowing the custom nav bar to take up the whole space on iOS (#2306)"

This reverts commit 74a02ccfc5.

ios/RCCCustomTitleView.h

@@ -11,5 +11,5 @@
 @interface RCCCustomTitleView : UIView
 
 -(instancetype)initWithFrame:(CGRect)frame subView:(UIView*)subView alignment:(NSString*)alignment;
-- (void) viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator;
+
 @end

ios/RCCCustomTitleView.m

@@ -11,14 +11,12 @@
 @interface RCCCustomTitleView ()
 @property (nonatomic, strong) UIView *subView;
 @property (nonatomic, strong) NSString *subViewAlign;
-@property float initialWidth;
 @end
 
 @implementation RCCCustomTitleView
 
 
 -(instancetype)initWithFrame:(CGRect)frame subView:(UIView*)subView alignment:(NSString*)alignment {
-    _initialWidth = frame.size.width;
     self = [super initWithFrame:frame];
     
     if (self) {
@@ -54,56 +52,4 @@
     }
 }
 
-- (void)setFrame:(CGRect) frame {
-
-    float referenceWidth = [self statusBarWidth];
-    if (referenceWidth == 0) {
-        referenceWidth = _initialWidth;
-    }
-    float newNavBarWidth = frame.size.width;
-    BOOL frameNeedsToBeCorrected = newNavBarWidth < referenceWidth || CGRectEqualToRect(self.frame, CGRectZero);
-
-    if (frameNeedsToBeCorrected) {
-        // first we need to find out the total point diff of the status bar and the nav bar
-        float navBarHorizontalMargin = referenceWidth - newNavBarWidth;
-        
-        CGRect correctedFrame = frame;
-
-        // then we need to place the nav bar half times the horizontal margin to the left
-        correctedFrame.origin.x = -(navBarHorizontalMargin / 2);
-        
-        // and finally set the width so that it's equal to the status bar width
-        correctedFrame.size.width = referenceWidth;
-        
-        [super setFrame:correctedFrame];
-    } else if (frame.size.height != self.frame.size.height) { // otherwise
-        // if only the height has changed
-        CGRect newHeightFrame = self.frame;
-        // make sure we update just the height
-        newHeightFrame.size.height = frame.size.height;
-        [super setFrame:newHeightFrame];
-    }
-    
-    // keep a ref to the last frame, so that we avoid setting the frame twice for no reason
-//    _lastFrame = frame;
-}
-
-
-- (void) viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
-    // whenever the orientation changes this runs
-    // and sets the nav bar item width to the new size width
-    CGRect newFrame = self.frame;
-
-    if (newFrame.size.width < size.width) {
-        newFrame.size.width = size.width;
-        newFrame.origin.x = 0;
-    }
-    [super setFrame:newFrame];
-}
-
--(float) statusBarWidth {
-    CGSize statusBarSize = [[UIApplication sharedApplication] statusBarFrame].size;
-    return MAX(statusBarSize.width, statusBarSize.height);
-}
-
 @end

ios/RCCViewController.m

@@ -656,30 +656,19 @@ const NSInteger TRANSPARENT_NAVBAR_TAG = 78264803;
       NSDictionary *initialProps = self.navigatorStyle[@"navBarCustomViewInitialProps"];
       RCTRootView *reactView = [[RCTRootView alloc] initWithBridge:bridge moduleName:navBarCustomView initialProperties:initialProps];
       
-      RCCCustomTitleView *titleView = [[RCCCustomTitleView alloc] initWithFrame:self.navigationController.navigationBar.bounds
-                                                                        subView:reactView
-                                                                      alignment:self.navigatorStyle[@"navBarComponentAlignment"]];
+      RCCCustomTitleView *titleView = [[RCCCustomTitleView alloc] initWithFrame:self.navigationController.navigationBar.bounds subView:reactView alignment:self.navigatorStyle[@"navBarComponentAlignment"]];
       titleView.backgroundColor = [UIColor clearColor];
       reactView.backgroundColor = [UIColor clearColor];
       
-    
       self.navigationItem.titleView = titleView;
       
       self.navigationItem.titleView.backgroundColor = [UIColor clearColor];
-      self.navigationItem.titleView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+      self.navigationItem.titleView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
       self.navigationItem.titleView.clipsToBounds = YES;
     }
   }
 }
 
-- (void) viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
-  [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
-  RCCCustomTitleView* customNavBar = (RCCCustomTitleView*) self.navigationItem.titleView;
-  if (customNavBar && [customNavBar isKindOfClass:[RCCCustomTitleView class]]) {
-    [customNavBar viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
-  }
-}
-
 
 -(void)storeOriginalNavBarImages {