Fixed Russian translation of Welcome screen

Task-number: QTCREATORBUG-12108
Change-Id: I3db4b5ad44666808cf49ea6e0ce226b9972b1beb
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

share/qtcreator/translations/qtcreator_ru.ts

@@ -32791,7 +32791,7 @@ In addition, device connectivity will be tested.</source>
     </message>
     <message>
         <source>Get Started Now</source>
-        <translation>Начните прямо сейчас</translation>
+        <translation>Начать сейчас</translation>
     </message>
     <message>
         <source>Qt Account</source>
@@ -32811,7 +32811,7 @@ In addition, device connectivity will be tested.</source>
     </message>
     <message>
         <source>User Guide</source>
-        <translation>Руководство пользователя</translation>
+        <translation>Справка</translation>
     </message>
 </context>
 <context>