ASoC: Intel: Skylake: Report position in pointer query

Don't update the runtime_delay in pointer query, delay need to
reported as part of soc driver ops delay function. The delay
value overwritten by ASoC core so this is dummy code and hence
removing it.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>