Fix autocomplete and search-clear in webkit

Change-Id: I731f7785cf2a51df15dae8c40fdcf1778a9cb8b1
diff --git a/dev/scss/header/searchbar.scss b/dev/scss/header/searchbar.scss
index 37d7d69..bd9a9c3 100644
--- a/dev/scss/header/searchbar.scss
+++ b/dev/scss/header/searchbar.scss
@@ -13,6 +13,10 @@
   margin: 0;
   margin-bottom: 3px;
   display: block;
+
+  &::-webkit-search-cancel-button {
+    display: none;
+  }
 }
 
 header input {