ASoC: Intel: Skylake: Don't pause stopped pipeline while deleting

If pipeline is not STARTED, we do not need to pause pipeline while
deleting.

Signed-off-by: Dharageswari R <dharageswari.r@intel.com>
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>