Remove dumb explanatory text.

browser/components/prefwindow/content/pref-navigator.xul

@@ -44,7 +44,6 @@
   <groupbox>
     <caption label="&header2.label;"/>
     <vbox flex="1">
-      <description>&homePageIntro.label;</description>
       <hbox align="center">
         <label value="&location.label;" accesskey="&location.accesskey;" control="browserStartupHomepage"/>
         <textbox id="browserStartupHomepage" type="autocomplete" flex="1" 

browser/components/prefwindow/locale/pref-navigator.dtd

@@ -1,7 +1,6 @@
 <!ENTITY  lHeader                   "General">
 
 <!ENTITY  header2.label             "Home Page">
-<!ENTITY  homePageIntro.label       "Clicking the Home button takes you to this page.">
 <!ENTITY  location.label            "Location:">
 <!ENTITY  location.accesskey        "a">
 <!ENTITY  useCurrent.label          "Use Current Page">