Revert "Don't save unused presets in the config file"

This reverts commit 732920d. That
commit caused presets that haven't been renamed to not show up in the
PTZ Action source settings dialog.

Fixes #136

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

src/ptz-device.cpp

@@ -324,8 +324,6 @@ OBSData PTZDevice::get_config()
 	OBSDataArray preset_array = obs_data_array_create();
 	obs_data_array_release(preset_array);
 	for (int i = 0; i < list.size(); i++) {
-		if (list[i] == QString("Preset %1").arg(i + 1))
-			continue; // Don't save unchanged presets
 		OBSData preset = obs_data_create();
 		obs_data_release(preset);
 		obs_data_set_int(preset, "id", i);