Still part of 81575:

- remove Search in Bookmarks/History menuitem from Mail/News as these are now two different mini-dialogs.
all these changes r=blake, timeless, sr=alecf

mailnews/base/resources/content/mailWindowOverlay.xul

@@ -959,7 +959,6 @@ Rights Reserved.
       <menuitem label="&searchMailCmd.label;" accesskey="&searchMailCmd.accesskey;" oncommand="MsgSearchMessages();"/>
       <menuseparator/>
       <menuitem label="&searchInternetCmd.label;" accesskey="&searchInternetCmd.accesskey;" oncommand="openTopWin(xlateURL('urn:clienturl:srchmenu:srchinternet'));"/>
-      <menuitem label="&searchBookmarksCmd.label;" accesskey="&searchBookmarksCmd.accesskey;" oncommand="window.openDialog('chrome://communicator/content/bookmarks/bm-find.xul', 'FindBookmarksWindow', 'dialog=no,close,chrome,resizable');"/>
     </menupopup>
   </menu>
   <menu label="&goMenu.label;" accesskey="&goMenu.accesskey;">

mailnews/base/resources/locale/en-US/messenger.dtd

@@ -274,8 +274,6 @@ Rights Reserved.
 <!ENTITY searchInternetCmd.accesskey "w">
 <!ENTITY searchMailCmd.label "Search Mail/News Messages">
 <!ENTITY searchMailCmd.accesskey "m">
-<!ENTITY searchBookmarksCmd.label "Search Bookmarks/History">
-<!ENTITY searchBookmarksCmd.accesskey "b">
 
 <!-- Go Menu -->