Remove unused kids from qlocalexml.py

These are probably remnants of times forgotten.

Task-number: QTBUG-129564
Pick-to: 6.8
Change-Id: Ic3ec03201758801e341253cd82ab8034f7fde9b7
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

util/locale_database/qlocalexml.py

@@ -196,7 +196,6 @@ class QLocaleXmlReader (object):
             yield kid(elt, 'msid'), land, kid(elt, 'ianaids')
 
     def territoryZone(self):
-        kid = self.__firstChildText
         for elt in self.__eachEltInGroup(self.root, 'landZones', 'landZone'):
             iana, land = self.__textThenAttrs(elt, 'territory')
             yield land, iana
@@ -308,7 +307,6 @@ class QLocaleXmlReader (object):
         code, name) where id and enum are the enumdata numeric index and name
         (on which the QLocale enums are based), code is the ISO code and name
         is CLDR's en.xml name for the language, script or territory."""
-        kid = self.__firstChildText
         for element in self.__eachEltInGroup(self.root, f'{category}List', 'naming'):
             name, key, code = self.__textThenAttrs(element, 'id', 'code')
             key = int(key)