Removed overflow attribute for datatable class in css.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@14019 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-UI/css/style.css

@@ -365,7 +365,6 @@ legend {
 
 /*--- jQuery datatable ---*/
 .dataTables_wrapper {
-	overflow: auto;
 	width: auto;
 	margin: 10px auto;
 	-moz-border-radius: 3px;

xCAT-UI/xcat/plugins/webportal.pm

@@ -19,7 +19,6 @@ use Getopt::Long;
 use Data::Dumper;
 use xCAT::Table;
 use xCAT::NodeRange;
-use xCAT::zvmUtils;
 use XML::Simple;
 require XML::Parser;