HID: picolcd: remove unnecessary NULL test before debugfs_remove

Fix checkpatch warning:
WARNING: debugfs_remove(NULL) is safe this check is probably not required

Signed-off-by: Fabian Frederick <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/hid-picolcd_debugfs.c

···
 
 	dent = data->debug_reset;
 	data->debug_reset = NULL;
-	if (dent)
-		debugfs_remove(dent);
+	debugfs_remove(dent);
 	dent = data->debug_eeprom;
 	data->debug_eeprom = NULL;
-	if (dent)
-		debugfs_remove(dent);
+	debugfs_remove(dent);
 	dent = data->debug_flash;
 	data->debug_flash = NULL;
-	if (dent)
-		debugfs_remove(dent);
+	debugfs_remove(dent);
 	mutex_destroy(&data->mutex_flash);
 }