Deleted thislanguage, thisdirection thischaracterset parentlanguage from files wich are not supposed to contain those strings

This cause also some empty files (because they didn't contain anything else) wich I also deleted

lang/ru/countries.php

@@ -242,8 +242,5 @@ $string['ZA'] = '
 $string['ZM'] = 'Çàìáèÿ';
 $string['ZR'] = 'Çàèð';
 $string['ZW'] = 'Çèìáàáâå';
-$string['parentlanguage'] = 'ru';
-$string['thischarset'] = 'windows-1251';
-$string['thisdirection'] = 'ltr';
 
 ?>

lang/ru/editor.php

@@ -71,7 +71,6 @@ $string['notset'] = '
 $string['ok'] = 'ÎÊ';
 $string['orderedlist'] = 'Íóìåðîâàííûé ñïèñîê';
 $string['outdent'] = 'Óìåíüøåíèå îòñòóïà';
-$string['parentlanguage'] = 'ru';
 $string['paste'] = 'Âñòàâèòü èç áóôåðà';
 $string['path'] = 'Ïóòü';
 $string['percent'] = 'Ïðîöåíò';
@@ -97,8 +96,6 @@ $string['superscript'] = '
 $string['textindicator'] = 'Òåêóùèé ñòèëü ';
 $string['textmode'] = 'Âû ñåé÷àñ èñïîëüçóåòå ðåæèì ðåäàêòèðîâàíèÿ èñõîäíîãî êîäà. Èñïîëüçóéòå  êíîïêó [<>] äëÿ âîçâðàòà â ðåæèì âèçóàëüíîãî ðåäàêòèðîâàíèÿ.';
 $string['texttop'] = 'Ïî âåðõíåìó êðàþ ñòðîêè';
-$string['thischarset'] = 'windows-1251';
-$string['thisdirection'] = 'ltr';
 $string['top'] = 'Ïî âåðõíåìó êðàþ';
 $string['type'] = 'Òèï';
 $string['underline'] = 'Ïîä÷åðêèâàíèå';

lang/ru/wiki.php

@@ -141,8 +141,6 @@ $string['tabinfo'] = '
 $string['tablinks'] = 'Ññûëêè';
 $string['tabview'] = 'Ïðîñìîòð';
 $string['thanksforcontribution'] = 'Ñïàñèáî çà âàø âêëàä.';
-$string['thischarset'] = 'windows-1251';
-$string['thisdirection'] = 'ltr';
 $string['thispageisntlinkedfromanywhereelse'] = 'Íà ýòó ñòðàíèöó íè îò êóäà íå ññûëàþòñÿ.';
 $string['updatedpages'] = 'Îáíîâëåííûå ñòðàíèöû';
 $string['uplerror'] = 'Ìû ñîæàëååì, íî êàêàÿ-òî îøèáêà ïðîèçîøëà âî âðåìÿ çàãðóçêè ôàéëà.';