Cleanup ContentSuggestions cells

ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.mm

Index: ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.mm b/ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.mm
deleted file mode 100644
index f58a145abac834c970ac329108138efd21c7fea2..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.mm
+++ /dev/null
@@ -1,88 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_footer_item.h"
-
-#import "ios/chrome/browser/ui/uikit_ui_util.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-const CGFloat kMinimalCellHeight = 44;
-}
-
-#pragma mark - ContentSuggestionsFooterItem
-
-@interface ContentSuggestionsFooterItem ()
-
-@property(nonatomic, copy) NSString* title;
-@property(nonatomic, copy) ProceduralBlock block;
-
-@end
-
-@implementation ContentSuggestionsFooterItem
-
-@synthesize title = _title;
-@synthesize block = _block;
-
-- (instancetype)initWithType:(NSInteger)type
-                       title:(NSString*)title
-                       block:(ProceduralBlock)block {
-  self = [super initWithType:type];
-  if (self) {
-    self.cellClass = [ContentSuggestionsFooterCell class];
-    _title = [title copy];
-    _block = [block copy];
-  }
-  return self;
-}
-
-- (void)configureCell:(ContentSuggestionsFooterCell*)cell {
-  [super configureCell:cell];
-  [cell.button setTitle:self.title forState:UIControlStateNormal];
-  [cell.button addTarget:self
-                  action:@selector(executeBlock)
-        forControlEvents:UIControlEventTouchUpInside];
-}
-
-#pragma mark - Private
-
-// Executes the |_block| if not nil.
-- (void)executeBlock {
-  if (self.block) {
-    self.block();
-  }
-}
-
-@end
-
-#pragma mark - ContentSuggestionsFooterCell
-
-@implementation ContentSuggestionsFooterCell
-
-@synthesize button = _button;
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  self = [super initWithFrame:frame];
-  if (self) {
-    _button = [UIButton buttonWithType:UIButtonTypeSystem];
-    _button.translatesAutoresizingMaskIntoConstraints = NO;
-    [self.contentView addSubview:_button];
-    [_button.heightAnchor
-        constraintGreaterThanOrEqualToConstant:kMinimalCellHeight]
-        .active = YES;
-    AddSameSizeConstraint(self.contentView, _button);
-  }
-  return self;
-}
-
-- (void)prepareForReuse {
-  [self.button removeTarget:nil
-                     action:NULL
-           forControlEvents:UIControlEventAllEvents];
-}
-
-@end