MD Settings: Fix internet focus and styling

chrome/browser/resources/settings/settings_shared_css.html

Index: chrome/browser/resources/settings/settings_shared_css.html
diff --git a/chrome/browser/resources/settings/settings_shared_css.html b/chrome/browser/resources/settings/settings_shared_css.html
index 50002a165ada72a80e33259f5732c08587ae87b7..bd3b62ddf4b8d6a09ddfb4ed199859a19dfdff3f 100644
--- a/chrome/browser/resources/settings/settings_shared_css.html
+++ b/chrome/browser/resources/settings/settings_shared_css.html
@@ -26,14 +26,6 @@
         transform: scaleX(-1);  /* Flip on the X axis (aka mirror). */
       }
 
-      [actionable] button[is='paper-icon-button-light'].subpage-arrow {
-        background-image: url(images/arrow_right.svg);
-      }
-
-      [actionable] button[is='paper-icon-button-light'].icon-external {
-        background-image: url(images/open_in_new.svg);
-      }
-
       :host-context([dir=rtl]) paper-icon-button[icon='settings:arrow-back'] {
         transform: scaleX(-1);  /* Flip on the X axis (aka mirror). */
       }