Merge branch '169-require-a-double-click-to-open-regex101-site-from-call-roster' into 'master'

Just removed the link

Closes #169

See merge request gridtracker.org/gridtracker!213

If this is changing anything in the UI or operational behavior, please prepare to update the wiki!

package.nw/gt_roster.html

@@ -358,9 +358,7 @@
               <div>
                 <label title="Callsign Regular Expression">
                   <input type="checkbox" id="useRegex" onchange="valuesChanged();" />
-                  <a title="Regular Expressions 101" href="https://regex101.com/?flavor=javascript" target="_blank">
-                    Regex
-                  </a>
+                  Regex
                 </label>
 
                 <input