Table: remove reflow CSS hack for Safari <= 5

It causes problems with assistive technology not being able to detect tables.

This effectively reverts bafa5d9, thus
removing the fix for gh-5380.

(cherry picked from commit 71c823e)

Closes gh-6584
Fixes gh-6583
Re gh-5380

Author: dylanb

css/structure/jquery.mobile.table.reflow.css

@@ -47,11 +47,6 @@
 /* Breakpoint to show as a standard table at 560px (35em x 16px) or wider */ 
 @media ( min-width: 35em ) {
 
-	/* Fixes table rendering when switching between breakpoints in Safari <= 5. See https://github.com/jquery/jquery-mobile/issues/5380 */
-	.ui-table-reflow.ui-responsive {
-		display: table-row-group;
-	}
-
 	/* Show the table header rows */ 
 	.ui-table-reflow.ui-responsive td,
 	.ui-table-reflow.ui-responsive th,