[COMMON] fimc-is2: Remove ring-buffer concept for sensor tag data

[COMMON] fimc-is2: Remove ring-buffer concept for sensor tag data

Ring buffer concept for sensor tagGing data was applied to avoid the
data overwriting issue.
That issue was removed now and ring buffer is not necessary anymore.

PR JIRA ID: CPR-625

CRs-fixed: (CR)

Change-Id: Ia85a84261b63e97e223585ebebbd84396fcb8579
Signed-off-by: Sanghoon Lee <shoon114.lee@samsung.com>
Reviewed-on: https://gerrit.mot.com/1329483
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Dawei Wang <wangdw10@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Jira Key