Fix bug 47036, remove ellipses from Edit | Preferences to conform to UI guidelines. r=jag, a=brade

suite/locales/en-US/chrome/common/utilityOverlay.dtd

@@ -46,7 +46,7 @@
 <!ENTITY selectAllCmd.label					"Select All">  
 <!ENTITY selectAllCmd.key					"A">  
 <!ENTITY selectAllCmd.accesskey				"a"> 
-<!ENTITY preferencesCmd.label				"Preferences...">
+<!ENTITY preferencesCmd.label				"Preferences">
 <!ENTITY preferencesCmd.key					"E">  
 <!ENTITY preferencesCmd.accesskey			"e">