Revert "ASoC: soc-pcm: BE dai needs prepare when pause release after resume"

This reverts commit 3c3dd68c48e83aca55dc72a33260a71608510160.
In QC platforms, backend is not teardown during pause state.
Backend prepare is not needed when resume from pause state.

Change-Id: Ia9f8ab36f5061f9909d9026271bac4a2f6d3e79b
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
Signed-off-by: Soumya Managoli <smanag@codeaurora.org>