ASoC: SOF: pcm: Remove non existent CONFIG_SND_SOC_SOF_COMPRESS reference

The SND_SOC_SOF_COMPRESS is not valid Kconfig option, remove it.

At the same time remove the also the declaration of the non existent
sof_compressed_ops.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210916103211.1573-3-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/pcm.c

@@ -829,11 +829,7 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
 	pd->trigger = sof_pcm_trigger;
 	pd->pointer = sof_pcm_pointer;
 
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
-	pd->compress_ops = &sof_compressed_ops;
-#endif
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
-	/* override cops when probe support is enabled */
 	pd->compress_ops = &sof_probe_compressed_ops;
 #endif
 	pd->pcm_construct = sof_pcm_new;

sound/soc/sof/sof-priv.h

@@ -538,11 +538,6 @@ int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev,
 		enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size,
 		const char *name, enum sof_debugfs_access_type access_type);
 
-/*
- * Platform specific ops.
- */
-extern struct snd_compress_ops sof_compressed_ops;
-
 /*
  * DSP Architectures.
  */