[css-ui] remove extraneous quotes

Author: frivoal

css-ui/Overview.bs

@@ -538,7 +538,7 @@ to allow the user to adjust only the height of the element.</dd>
 
 Currently it is possible to control the appearance of the scrolling mechanism (if any)
 on an element using the 'overflow' property
-(e.g. '<code class="lang-css">overflow: scroll</code>' vs. '<code class="lang-css">overflow: hidden</code>' etc.).
+(e.g. <code class="lang-css">overflow: scroll</code> vs. <code class="lang-css">overflow: hidden</code> etc.).
 The purpose of the 'resize' property
 is to also allow control over the appearance and function of the resizing mechanism
 (e.g. a resize box or widget) on the element.

css-ui/Overview.html

@@ -2094,7 +2094,7 @@ <h3 class="heading settled" data-level="5.1" id="resize"><span class="secno">5.1
 
    <p>Currently it is possible to control the appearance of the scrolling mechanism (if any)
 on an element using the <a class="property" data-link-type="propdesc" href="http://dev.w3.org/csswg/css-overflow-3/#propdef-overflow">overflow</a> property
-(e.g. '<code class="lang-css">overflow: scroll</code>' vs. '<code class="lang-css">overflow: hidden</code>' etc.).
+(e.g. <code class="lang-css">overflow: scroll</code> vs. <code class="lang-css">overflow: hidden</code> etc.).
 The purpose of the <a class="property" data-link-type="propdesc" href="#propdef-resize">resize</a> property
 is to also allow control over the appearance and function of the resizing mechanism
 (e.g. a resize box or widget) on the element.</p>