Remove unusued setting BottomPanelNew

indra/newview/app_settings/settings.xml

@@ -2304,17 +2304,6 @@
       <key>Value</key>
       <integer>40</integer>
     </map>
-    <key>BottomPanelNew</key>
-    <map>
-      <key>Comment</key>
-      <string>Enable the new bottom panel</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
     <key>BrowserHomePage</key>
     <map>
       <key>Comment</key>

indra/newview/skins/default/xui/en/menu_viewer.xml

@@ -3741,16 +3741,6 @@
          label="UI"
          name="UI"
          tear_off="true">
-         <!--   <menu_item_check
-             label="New Bottom Bar"
-             name="New Bottom Bar">
-                <menu_item_check.on_check
-                 function="CheckControl"
-                 parameter="BottomPanelNew" />
-                <menu_item_check.on_click
-                 function="ToggleControl"
-                 parameter="BottomPanelNew" />
-            </menu_item_check>-->
             <menu_item_call
              label="Media Browser Test"
              name="Web Browser Test">