Bug 623063 - Remove useless <tooltip> from browser.xul

mobile/app/mobile.js

@@ -554,4 +554,7 @@ pref("layers.acceleration.disabled", true);
 #endif
 
 pref("notification.feature.enabled", true);
+
+// prevent tooltips from showing up
+pref("browser.chrome.toolbar_tips", false);
 pref("indexedDB.feature.enabled", false);

mobile/chrome/content/browser.xul

@@ -688,6 +688,4 @@
     </hbox>
   </stack>
 
-  <tooltip default="true" id="default-tooltip"/>
-
 </window>

mobile/themes/core/platform.css

@@ -72,10 +72,6 @@ textbox {
   background-color: white;
 }
 
-#default-tooltip {
-  visibility: hidden; /* disabled in Fennec */
-}
-
 /* textboxes --------------------------------------------------------------- */
 textbox:not([type="number"]) {
   min-height: @textbox_height@;