[Payments] No longer resize Autofill assets in Payments/Autofill UI

ios/chrome/browser/ui/payments/cells/accepted_payment_methods_item.mm

 // 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/payments/cells/accepted_payment_methods_item.h"
 
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 
@@ skipping 27 matching lines @@
 - (void)configureCell:(AcceptedPaymentMethodsCell*)cell {
   [super configureCell:cell];
   cell.messageLabel.text = self.message;
 
   NSMutableArray* methodTypeIconViews = [NSMutableArray array];
   for (UIImage* methodTypeIcon in self.methodTypeIcons) {
     UIImageView* methodTypeIconView =
         [[UIImageView alloc] initWithFrame:CGRectZero];
     methodTypeIconView.image = methodTypeIcon;
     methodTypeIconView.accessibilityLabel = methodTypeIcon.accessibilityLabel;
-    methodTypeIconView.layer.borderColor =
-        [UIColor colorWithWhite:0.9 alpha:1.0].CGColor;
-    methodTypeIconView.layer.borderWidth = 1.0;
     [methodTypeIconViews addObject:methodTypeIconView];
   }
   cell.methodTypeIconViews = methodTypeIconViews;
 }
 
 @end
 
 @implementation AcceptedPaymentMethodsCell {
   UIStackView* _stackView;
 }
@@ skipping 104 matching lines @@
       [self.methodTypeIconViews valueForKeyPath:@"accessibilityLabel"];
   NSString* concatenatedAccessibilityLabel =
       [iconsAccessibilityLabels componentsJoinedByString:@", "];
   if (concatenatedAccessibilityLabel.length) {
     [accessibilityLabel appendFormat:@", %@", concatenatedAccessibilityLabel];
   }
   return accessibilityLabel;
 }
 
 @end