Bug 394567 Remove unused prefixhidden, tborient and tbalign attributes (tbpack was removed in bug 282188) r=mconnor sr=jag

browser/components/bookmarks/content/bookmarksManager.xul

@@ -202,7 +202,7 @@
       <menu id="helpMenu"/>
     </menubar>
 
-    <toolbar id="command-toolbar" tbalign="stretch" class="chromeclass-toolbar">
+    <toolbar id="command-toolbar" class="chromeclass-toolbar">
       <toolbarbutton id="newbookmark" label="&menuitem.newBookmark.label;"
                      accesskey="&menuitem.newBookmark.accesskey;"
                      command="cmd_bm_newbookmark"/>

editor/ui/composer/content/editor.xul

@@ -191,7 +191,7 @@
   <!-- toolbar filled out from editorOverlay -->
   <!-- add  class="standard" for dark blue background (icons need rework first) -->
   <toolbar class="chromeclass-toolbar toolbar-primary" id="EditToolbar" persist="collapsed" 
-           tbalign="stretch" grippytooltiptext="&compositionToolbar.tooltip;">
+           grippytooltiptext="&compositionToolbar.tooltip;">
     <toolbarbutton id="newButton"/>
     <toolbarbutton id="openButton"/>
     <toolbarbutton id="saveButton"/>
@@ -216,7 +216,7 @@
       </button>
     </hbox> 
   </toolbar>
-  <toolbar class="chromeclass-toolbar" id="FormatToolbar" persist="collapsed" tbalign="center" grippytooltiptext="&formatToolbar.tooltip;">
+  <toolbar class="chromeclass-toolbar" id="FormatToolbar" persist="collapsed" grippytooltiptext="&formatToolbar.tooltip;">
     <!-- from editorOverlay -->
     <menulist id="ParagraphSelect"/>
     <stack id="ColorButtons"/>

xpfe/components/download-manager/resources/downloadmanager.xul

@@ -164,7 +164,7 @@
   </popup>
 
   <toolbox id="toolbox">
-    <toolbar id="download-toolbar" tbalign="stretch" class="chromeclass-toolbar" persist="collapsed" grippytooltiptext="&dm.tooltip;">
+    <toolbar id="download-toolbar" class="chromeclass-toolbar" persist="collapsed" grippytooltiptext="&dm.tooltip;">
       <toolbarbutton label="&cmd.properties.label;" accesskey="&cmd.properties.accesskey;"
                      command="cmd_properties"/>
       <toolbarseparator/>