Don't display tradition on website or print.

Ed doesn't think it's necessary, and it does save space on the A5 page.

dottes.html.tune

@@ -32,7 +32,6 @@
             <div class="dottes-tune-header-title">
               <h1>${title}</h1>
               <h2>${subtitle}</h2>
-              <h3>${tradition}</h3>
             </div>
             <div class="dottes-tune-header-composer">
               <em>${composer}</em>

dottes.tex.tune

@@ -1,5 +1,5 @@
 \tunestart
-\showtune{$name}{$title}{$subtitle}{$fulltitle}{$tradition}{$composer}{$parts}{$tuneimagefile}
+\showtune{$name}{$title}{$subtitle}{$fulltitle}{$composer}{$parts}{$tuneimagefile}
 $notes
 
 $history