feat: remove unused code from ASCellNode

Author: junjielu

Source/ASCellNode.h

@@ -213,47 +213,4 @@ typedef NS_ENUM(NSUInteger, ASCellNodeVisibilityEvent) {
 
 @end
 
-@interface ASCellNode (Unavailable)
-
-- (instancetype)initWithLayerBlock:(ASDisplayNodeLayerBlock)viewBlock didLoadBlock:(nullable ASDisplayNodeDidLoadBlock)didLoadBlock NS_UNAVAILABLE;
-
-- (instancetype)initWithViewBlock:(ASDisplayNodeViewBlock)viewBlock didLoadBlock:(nullable ASDisplayNodeDidLoadBlock)didLoadBlock NS_UNAVAILABLE;
-
-- (void)setLayerBacked:(BOOL)layerBacked AS_UNAVAILABLE("ASCellNode does not support layer-backing, although subnodes may be layer-backed.");
-
-@end
-
-
-/**
- * Simple label-style cell node.  Read its source for an example of custom <ASCellNode>s.
- */
-@interface ASTextCellNode : ASCellNode
-
-/**
- * Initializes a text cell with given text attributes and text insets
- */
-- (instancetype)initWithAttributes:(NSDictionary *)textAttributes insets:(UIEdgeInsets)textInsets;
-
-/**
- * Text to display.
- */
-@property (nullable, copy) NSString *text;
-
-/**
- * A dictionary containing key-value pairs for text attributes. You can specify the font, text color, text shadow color, and text shadow offset using the keys listed in NSString UIKit Additions Reference.
- */
-@property (copy) NSDictionary<NSAttributedStringKey, id> *textAttributes;
-
-/**
- * The text inset or outset for each edge. The default value is 15.0 horizontal and 11.0 vertical padding.
- */
-@property UIEdgeInsets textInsets;
-
-/**
- * The text node used by this cell node.
- */
-@property (readonly) ASTextNode *textNode;
-
-@end
-
 NS_ASSUME_NONNULL_END

Source/ASCellNode.mm

@@ -375,108 +375,10 @@ - (BOOL)shouldUseUIKitCell
 
 // TODO: Consider if other calls, such as willDisplayCell, should be bridged to this class.
 @implementation ASWrapperCellNode : ASCellNode
-
+`
 - (BOOL)shouldUseUIKitCell
 {
   return YES;
 }
 
 @end
-
-
-#pragma mark -
-#pragma mark ASTextCellNode
-
-@implementation ASTextCellNode {
-  NSDictionary<NSAttributedStringKey, id> *_textAttributes;
-  UIEdgeInsets _textInsets;
-  NSString *_text;
-}
-
-static const CGFloat kASTextCellNodeDefaultFontSize = 18.0f;
-static const CGFloat kASTextCellNodeDefaultHorizontalPadding = 15.0f;
-static const CGFloat kASTextCellNodeDefaultVerticalPadding = 11.0f;
-
-- (instancetype)init
-{
-  return [self initWithAttributes:[ASTextCellNode defaultTextAttributes] insets:[ASTextCellNode defaultTextInsets]];
-}
-
-- (instancetype)initWithAttributes:(NSDictionary *)textAttributes insets:(UIEdgeInsets)textInsets
-{
-  self = [super init];
-  if (self) {
-    _textInsets = textInsets;
-    _textAttributes = [textAttributes copy];
-    _textNode = [[ASTextNode alloc] init];
-    self.automaticallyManagesSubnodes = YES;
-  }
-  return self;
-}
-
-- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
-{
-  return [ASInsetLayoutSpec insetLayoutSpecWithInsets:self.textInsets child:self.textNode];
-}
-
-+ (NSDictionary *)defaultTextAttributes
-{
-  return @{NSFontAttributeName : [UIFont systemFontOfSize:kASTextCellNodeDefaultFontSize]};
-}
-
-+ (UIEdgeInsets)defaultTextInsets
-{
-    return UIEdgeInsetsMake(kASTextCellNodeDefaultVerticalPadding, kASTextCellNodeDefaultHorizontalPadding, kASTextCellNodeDefaultVerticalPadding, kASTextCellNodeDefaultHorizontalPadding);
-}
-
-- (NSDictionary *)textAttributes
-{
-  return ASLockedSelf(_textAttributes);
-}
-
-- (void)setTextAttributes:(NSDictionary *)textAttributes
-{
-  ASDisplayNodeAssertNotNil(textAttributes, @"Invalid text attributes");
-  ASLockScopeSelf();
-  if (ASCompareAssignCopy(_textAttributes, textAttributes)) {
-    [self locked_updateAttributedText];
-  }
-}
-
-- (UIEdgeInsets)textInsets
-{
-  return ASLockedSelf(_textInsets);
-}
-
-- (void)setTextInsets:(UIEdgeInsets)textInsets
-{
-  if (ASLockedSelfCompareAssignCustom(_textInsets, textInsets, UIEdgeInsetsEqualToEdgeInsets)) {
-    [self setNeedsLayout];
-  }
-}
-
-- (NSString *)text
-{
-  return ASLockedSelf(_text);
-}
-
-- (void)setText:(NSString *)text
-{
-  ASLockScopeSelf();
-  if (ASCompareAssignCopy(_text, text)) {
-    [self locked_updateAttributedText];
-  }
-}
-
-- (void)locked_updateAttributedText
-{
-  if (_text == nil) {
-    _textNode.attributedText = nil;
-    return;
-  }
-  
-  _textNode.attributedText = [[NSAttributedString alloc] initWithString:_text attributes:_textAttributes];
-  [self setNeedsLayout];
-}
-
-@end