yuzu/main: Make open_target a QString

Simplifies the amount of string conversions necessary. We also don't
need to log out what occurs here.

src/yuzu/main.cpp

@@ -1087,7 +1087,7 @@ void GMainWindow::OnGameListOpenFolder(u64 program_id, GameListOpenTarget target
 void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
     ASSERT(program_id != 0);
 
-    constexpr char open_target[] = "Transferable Shader Cache";
+    const QString open_target = QStringLiteral("Transferable Shader Cache");
     const QString tranferable_shader_cache_folder_path =
         QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::ShaderDir)) + "opengl" +
         DIR_SEP + "transferable";
@@ -1097,12 +1097,10 @@ void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
         QString::fromStdString(fmt::format("{:016X}", program_id)) + ".bin";
 
     if (!QFile::exists(transferable_shader_cache_file_path)) {
-        QMessageBox::warning(this,
-                             tr("Error Opening %1 File").arg(QString::fromStdString(open_target)),
+        QMessageBox::warning(this, tr("Error Opening %1 File").arg(open_target),
                              tr("File does not exist!"));
         return;
     }
-    LOG_INFO(Frontend, "Opening {} path for program_id={:016x}", open_target, program_id);
 
     // Windows supports opening a folder with selecting a specified file in explorer. On every other
     // OS we just open the transferable shader cache folder without preselecting the transferable