Remove links to i18n-html-tech-bidi

Fix #732.

Author: xfq

questions/qa-html-dir.en.html

@@ -108,7 +108,7 @@ <h3>Base direction</h3>
 <div class="insideinfonote">
 <p class="info noprint">Examples in this document may be shown as images to avoid problems for those with a browser that doesn't produce what was intended.      </p>
 
-<p>Code samples containing Arabic and Hebrew text <a class="print" href="https://www.w3.org/TR/i18n-html-tech-bidi/#bidisource"> may be displayed  in different ways</a>, none of which are usually satisfactory. In this article right-to-left text in code samples may be represented by UPPERCASE TRANSLATIONS, and left-to-right text by lowercase.</p>
+<p>Code samples containing Arabic and Hebrew text <a class="print" href="https://www.w3.org/International/questions/qa-bidi-source"> may be displayed  in different ways</a>, none of which are usually satisfactory. In this article right-to-left text in code samples may be represented by UPPERCASE TRANSLATIONS, and left-to-right text by lowercase.</p>
 </div>
 
 <p class="info">At the outset, it is important to understand the concept of <a href="https://www.w3.org/TR/i18n-glossary/#dfn-base-direction" target="_blank" class="termref print">base direction</a> (see <a href="../articles/inline-bidi-markup/uba-basics">Unicode Bidirectional Algorithm basics</a> for a simple overview of how it works with the <a href="https://www.w3.org/TR/i18n-glossary/#dfn-unicode-bidi-algorithm" target="_blank" class="termref print">Unicode bidirectional algorithm</a>).  </p>

questions/qa-html-dir.zh-hans.html

@@ -108,7 +108,7 @@ <h3>基方向</h3>
 <div class="insideinfonote">
 <p class="info noprint">本文档中的示例可能以图像形式显示，以防浏览器无法产生预期的效果。</p>
 
-<p>包含阿拉伯字母和希伯来字母的代码示例<a class="print" href="https://www.w3.org/TR/i18n-html-tech-bidi/#bidisource">可能以不同方式显示</a>，通常都不令人满意。在本文中，代码示例中的从右向左的文本可能用<strong>大写字母</strong>表示，从左到右文本用小写表示。</p>
+<p>包含阿拉伯字母和希伯来字母的代码示例<a class="print" href="https://www.w3.org/International/questions/qa-bidi-source">可能以不同方式显示</a>，通常都不令人满意。在本文中，代码示例中的从右向左的文本可能用<strong>大写字母</strong>表示，从左到右文本用小写表示。</p>
 </div>
 
 <p class="info">首先，理解<a href="https://www.w3.org/TR/i18n-glossary/#dfn-base-direction" target="_blank" class="termref print">基方向</a>的概念很重要（请参阅<a href="../articles/inline-bidi-markup/uba-basics">Unicode双向文本算法基础</a>，了解它如何与<a href="https://www.w3.org/TR/i18n-glossary/#dfn-unicode-bidi-algorithm" target="_blank" class="termref print">Unicode双向文本算法</a>配合工作的简单概述）。</p>