Remove stats button from logger

Related issue:
- uBlockOrigin/uBlock-issues#741

The feature will be released in the future when
it works as I intend for it to work rather than
being a featureless bare-bone version.

Author: gorhill

src/logger-ui.html

@@ -70,7 +70,7 @@
                 </span>
             </div>
             <div>
-                <span id="loggerStats" class="button fa-icon">bar-chart</span>
+                <span id="loggerStats" class="button fa-icon" style="display: none;">bar-chart</span>
                 <span id="loggerExport" class="button fa-icon">clipboard</span>
                 <span id="loggerSettings" class="button fa-icon">cog</span>
             </div>