Bug 347993 Get rid of unused entities in pageInfo.dtd (SM and FF)

p=giacomo.magnini@portalis.it r=db48x sr=neil

browser/locales/en-US/chrome/browser/pageInfo.dtd

@@ -35,10 +35,6 @@
 # ***** END LICENSE BLOCK *****
 -->
 
-<!ENTITY  preface               "Info for: "> 
-
-<!ENTITY  title                 "Page Info"> 
-<!ENTITY  description           "Information about the current page"> 
 <!ENTITY  pageInfoWindow.width  "425">
 <!ENTITY  pageInfoWindow.height "470">
 

suite/locales/en-US/chrome/browser/pageInfo.dtd

@@ -33,10 +33,6 @@
    -
    - ***** END LICENSE BLOCK ***** -->
 
-<!ENTITY  preface               "Info for: "> 
-
-<!ENTITY  title                 "Page Info"> 
-<!ENTITY  description           "Information about the current page"> 
 <!ENTITY  pageInfoWindow.width  "425">
 <!ENTITY  pageInfoWindow.height "470">