Change "Swift" title to "iOS Apps"

Author: jdonald

software/index.html

@@ -77,10 +77,10 @@ <h4>Python</h4>
           <li><a href="https://www.python.org/downloads/">Download Python 3</a></li>
         </ul>
 
-        <h4>Swift</h4>
+        <h4>iOS Apps</h4>
         <p>
           Swift is an open-source language for first-class development of
-          iOS and macOS applications. Xcode is by far the largest and longest
+          iOS applications. Xcode is by far the largest and longest
           software installation, so consider getting this ready prior to
           Hack the Future.
         </p>