soundwire: peripheral: remove useless ops pointer

Now that we are using the ops structure directly from the driver,
there are no users left of this ops pointer.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220621225641.221170-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

include/linux/soundwire/sdw.h

@@ -637,7 +637,6 @@ struct sdw_slave_ops {
  * @dev: Linux device
  * @status: Status reported by the Slave
  * @bus: Bus handle
- * @ops: Slave callback ops
  * @prop: Slave properties
  * @debugfs: Slave debugfs
  * @node: node for bus list
@@ -667,7 +666,6 @@ struct sdw_slave {
 	struct device dev;
 	enum sdw_slave_status status;
 	struct sdw_bus *bus;
-	const struct sdw_slave_ops *ops;
 	struct sdw_slave_prop prop;
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs;