Revert "다른 프레임워크와 css 충돌을 피하기 위해 rhymix.less의 class/id 이름에 prefix 처리"

This reverts commit b1cb1f3f34.

modules/communication/m.skins/rx_prn/new_message.html

@@ -4,7 +4,7 @@
 	<section class="prn-body" cond="$message">
 		<h1>{escape($message->title)}</h1>
 		<div>
-			<a href="rhymix_popup_menu" class="member_{$message->member_srl}">{$message->nick_name}</a> / {zdate($message->regdate, "Y-m-d H:i")}
+			<a href="popup_menu_area" class="member_{$message->member_srl}">{$message->nick_name}</a> / {zdate($message->regdate, "Y-m-d H:i")}
 		</div>
 		<div class="xe_content">
 			{$message->content}