Removed nav-bar tooltips.

plugins/CoreHome/templates/_menu.twig

 {% macro submenuItem(name, url, anchorlink, tooltip) %}
     {% if name|slice(0,1) != '_' %}
-        <li role="menuitem" title="{{ tooltip|default(name)|translate|e('html_attr') }}">
+        <li role="menuitem" title="{{ tooltip|default("")|translate|e('html_attr') }}">
             <a class="item" href="{% if anchorlink %}#{% else %}index.php?{% endif %}{{ url|urlRewriteWithParameters|slice(1) }}" tabindex="5">
                 {{ name|translate }}
             </a>
@@ -14,7 +14,7 @@
             {% for item in group.getItems %}
                 <a class="item menuItem"
                    href='{% if anchorlink %}#?{% else %}index.php?{% endif %}{{ item.url|urlRewriteWithParameters|slice(1) }}'
-                   title="{% if item.tooltip %}{{ item.tooltip|e('html_attr') }}{% else %}{{ item.name|e('html_attr') }}{% endif %}">
+                   title="{% if item.tooltip %}{{ item.tooltip|e('html_attr') }}{% endif %}">
                     {{ item.name|translate }}
                 </a>
             {% endfor %}
@@ -45,7 +45,7 @@
                 {% endfor %}
 
                 {% if hasSubmenuItem %}
-                    <li role="menuitem" class="menuTab" title="{{ level1|translate|e('html_attr') }}" id="{% if level2._url is defined and level2._url is not empty %}{{ _self.getId(level2._url) }}{% endif %}">
+                    <li role="menuitem" class="menuTab" id="{% if level2._url is defined and level2._url is not empty %}{{ _self.getId(level2._url) }}{% endif %}">
                         <a class="item" href="" tabindex="5">
                             <span class="menu-icon {{ level2._icon|default('icon-arrow-right') }}"></span>{{ level1|translate }}
                         </a>