Simplify hero conference explanation

- Combine the hero description into one directory-focused paragraph.
- Explain the relationship between pycon.asia, PythonAsia, and national or local PyCon events.
- Remove the obsolete hero intro styles and promote the remaining context copy.

Author: codemickeycode

index.html

@@ -42,8 +42,7 @@
             <div class="hero-copy">
               <p class="eyebrow"><span class="eyebrow-dot"></span> Python events across Asia.</p>
               <h1>Find <em>Python</em> conferences across Asia.</h1>
-              <p class="hero-intro">Discover conferences and community events across the region, from national PyCons to the annual Asia-wide PythonAsia conference.</p>
-              <p class="hero-context">pycon.asia is a community-maintained event directory of Python conferences and events across Asia. <a href="https://pythonasia.org" target="_blank" rel="noopener">pythonasia.org</a> is the official website of the Python Asia Organization (PAO).</p>
+              <p class="hero-context">pycon.asia is a community-maintained event directory of Python conferences and events across Asia, including PythonAsia and national and local PyCon events. PythonAsia is the Asia-wide conference, formerly known as PyCon APAC.</p>
               <div class="hero-actions">
                 <a class="button button-primary" href="#events">Explore events <span aria-hidden="true">↓</span></a>
               </div>