fix: remove dumb FS::symlink function

Signed-off-by: Ryan Cao <70191398+ryanccn@users.noreply.github.com>

launcher/FileSystem.cpp

@@ -163,19 +163,6 @@ bool ensureFolderPathExists(QString foldernamepath)
     return success;
 }
 
-bool symlink(const QString& source, const QString& target)
-{
-    std::error_code err;
-
-    fs::create_symlink(toStdString(source), toStdString(target));
-
-    if (err) {
-        qWarning() << "Failed to symlink files:" << QString::fromStdString(err.message());
-    }
-
-    return err.value() == 0;
-}
-
 bool copy::operator()(const QString& offset)
 {
     using copy_opts = fs::copy_options;

launcher/FileSystem.h

@@ -53,11 +53,6 @@ class FileSystemException : public ::Exception {
  */
 void write(const QString& filename, const QByteArray& data);
 
-/**
- * create a symlink
- */
-bool symlink(const QString& target, const QString& link);
-
 /**
  * read data from a file safely\
  */