[css-lists-3] Remove duplicate of required UA stylesheet rules from sample style sheet. #5346

Author: fantasai

css-lists-3/Overview.bs

@@ -1536,11 +1536,6 @@ Appendix A: Sample Style Sheet For HTML</h2>
 		li {
 			text-align: match-parent;
 		}
-
-		li::marker {
-			unicode-bidi: isolate;
-			font-variant-numeric: tabular-nums;
-		}
 	</pre>
 
 <h2 class="no-num" id="acknowledgments">