ntp4: some appearance fixes

chrome/browser/resources/ntp4/new_tab_theme.css

Index: chrome/browser/resources/ntp4/new_tab_theme.css
diff --git a/chrome/browser/resources/ntp4/new_tab_theme.css b/chrome/browser/resources/ntp4/new_tab_theme.css
index f9fda873efaac639a92e59022f8112e43570bdd5..f7ae6174aed5629fbd6348f6cbfb1d8fe486ea3c 100644
--- a/chrome/browser/resources/ntp4/new_tab_theme.css
+++ b/chrome/browser/resources/ntp4/new_tab_theme.css
@@ -30,12 +30,6 @@ body {
   color: $8; /* COLOR_NTP_TEXT */
 }
 
-.app:hover > a,
-.app.dragging > a {
-  color: $12; /* COLOR_NTP_SECTION_TEXT */
-  background-color: $10; /* COLOR_NTP_SECTION */;
-}
-
 .tile-page-scrollbar {
   background-color: $21; /* COLOR_NTP_TEXT_LIGHT */
 }
@@ -54,15 +48,6 @@ body {
   background-color: $2; /* COLOR_NTP_BACKGROUND */
 }
 
-.tile-page-title,
-#footer-content span {
-  color: $21; /* COLOR_NTP_TEXT_LIGHT */
-}
-
-.disclosure-triangle {
-  background-color: $8 /* COLOR_NTP_TEXT */
-}
-
 /* Bookmarks ******************************************************************/
 
 .bookmark,