Revert "[media] v4l2: Fix the possible memory leak in v4l2 framework"

This reverts commit b97a2097
Reverting the change to address the regressions in Audio, Video
and camera functionalities

Change-Id: I4214f8f07faf7d380e5ebfeb2ef997323ab045c8
Signed-off-by: Akhila Musunuri <makhila@codeaurora.org>