Do not set downloaded file time

Because actually downloaded file can be newer than stated in updates.json

share/translations/screentranslator_ru.ts

@@ -1275,15 +1275,6 @@ Error %3</source>
 в %2
 Текст %3</translation>
     </message>
-    <message>
-        <location filename="../../src/service/updates.cpp" line="1093"/>
-        <source>Failed to set modification time of file
-%1
-to %2. Error %3</source>
-        <translation>Ошибка установки времени файла
-%1
-на %2. Текст %3</translation>
-    </message>
 </context>
 <context>
     <name>WebPage</name>

src/service/updates.cpp

@@ -1084,19 +1084,6 @@ void Installer::install(const File &file)
                        .arg(f.fileName(), file.expandedPath, f.errorString()));
     return;
   }
-
-  if (!file.versionDate.isValid())
-    return;
-
-  if (!f.open(QFile::WriteOnly | QFile::Append) ||
-      !f.setFileTime(file.versionDate, QFile::FileTime::FileModificationTime)) {
-    errors_.append(QApplication::translate("Updates",
-                                           "Failed to set modification time of "
-                                           "file\n%1\nto %2. Error %3")
-                       .arg(f.fileName(),
-                            file.versionDate.toString(Qt::ISODate),
-                            f.errorString()));
-  }
 }
 
 QString Installer::errorString() const