Revert "Fixed Select2 jumping around in Chrome"

This reverts commit 0daee34.
This results in artifacts being displayed in Chrome, and doesn't
fix the other jumping issue.

Author: kevin-brown

select2.css

@@ -667,7 +667,7 @@ html[dir="rtl"] .select2-container-multi .select2-search-choice-close {
     margin: 0 !important;
     padding: 0 !important;
     overflow: hidden !important;
-    position: static !important;
+    position: absolute !important;
     outline: 0 !important;
     left: 0px !important;
     top: 0px !important;