staging: line6: remove unneeded EXPORT_SYMBOL() usage

These symbols don't need to be exported as nothing uses them, so don't.

Cc: Markus Grabner <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/line6/control.c

···
 	return 0;
 }
 
-EXPORT_SYMBOL(line6_pod_create_files);
-
 void line6_pod_remove_files(int firmware, int type, struct device *dev)
 {
 	device_remove_file(dev, &dev_attr_tweak);
···
 			device_remove_file(dev, &dev_attr_band_6_gain__bass);
 }
 
-EXPORT_SYMBOL(line6_pod_remove_files);
-
 int line6_variax_create_files(int firmware, int type, struct device *dev)
 {
 	int err;
···
 	return 0;
 }
 
-EXPORT_SYMBOL(line6_variax_create_files);
-
 void line6_variax_remove_files(int firmware, int type, struct device *dev)
 {
 	device_remove_file(dev, &dev_attr_body);
···
 	device_remove_file(dev, &dev_attr_mix1);
 	device_remove_file(dev, &dev_attr_pickup_wiring);
 }
-
-EXPORT_SYMBOL(line6_variax_remove_files);