bug 343849, remove hl from google plugin, r=gavin, phil@off.net

browser/locales/en-US/searchplugins/google.xml

@@ -10,7 +10,6 @@
   <Param name="oe" value="utf-8"/>
   <!-- Dynamic parameters -->
   <Param name="rls" value="{moz:distributionID}:{moz:locale}:{moz:official}"/>
-  <Param name="hl" value="{moz:locale}"/>
   <MozParam name="client" condition="defaultEngine" trueValue="firefox-a" falseValue="firefox"/>
 </Url>
 <SearchForm>http://www.google.com/firefox</SearchForm>