get rid of old options pages

chrome/browser/resources/options/chromeos/change_picture_options.css

Index: chrome/browser/resources/options/chromeos/change_picture_options.css
diff --git a/chrome/browser/resources/options/chromeos/change_picture_options.css b/chrome/browser/resources/options/chromeos/change_picture_options.css
deleted file mode 100644
index e972190934ecd33123391859c8bc4e1d93342865..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/options/chromeos/change_picture_options.css
+++ /dev/null
@@ -1,33 +0,0 @@
-#images-grid {
-  -webkit-user-drag: none;
-  -webkit-user-select: none;
-  margin: 10px;
-  outline: none;
-  padding: 10px;
-  width: 600px;
-}
-
-#images-grid * {
-  margin: 0;
-  padding: 0;
-}
-
-#images-grid img {
-  background-color: white;
-  height: 64px;
-  vertical-align: middle;
-  width: 64px;
-}
-
-#images-grid [role=listitem] {
-  border-radius: 4px;
-  border: 1px solid rgba(0, 0, 0, 0.15);
-  display: inline-block;
-  margin: 10px;
-  padding: 3px;
-}
-
-#images-grid [selected] {
-  border: 2px solid #06c;
-  padding: 2px;
-}