Respond to CR.

// FREEBIE

Signal/src/ViewControllers/OWSViewController.h

@@ -8,6 +8,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface OWSViewController : UIViewController
 
+@property (nonatomic) BOOL shouldIgnoreKeyboardChanges;
+
 // We often want to pin one view to the bottom guide
 // of a view controller BUT adjust its location upward
 // if the keyboard appears.
@@ -15,8 +17,6 @@ NS_ASSUME_NONNULL_BEGIN
 // Use this method in lieu of autoPinToBottomLayoutGuideOfViewController:
 - (void)autoPinViewToBottomGuideOrKeyboard:(UIView *)view;
 
-- (void)setShouldIgnoreKeyboardChanges:(BOOL)value;
-
 @end
 
 NS_ASSUME_NONNULL_END

Signal/src/ViewControllers/OWSViewController.m

@@ -11,7 +11,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, weak) UIView *bottomLayoutView;
 @property (nonatomic) NSLayoutConstraint *bottomLayoutConstraint;
-@property (nonatomic) BOOL shouldIgnoreKeyboardChanges;
 
 @end