Remove redundant codes

Remove redundant codes

[Version] : 4.7.0-6
[Issue type] : clean up

A part of a patch with commit
```
commit 60e0136b5538352bc176c94591339b098d2d8d27 (tag: accepted/tizen/unified/20221221.165303)
Author: hj kim <backto.kim@samsung.com>
Date:   Wed Dec 14 18:32:39 2022 +0900

    Fix build error due to upgrade to ffmpeg 5.1.2

    [Version] 4.5.3-5
    [Issue type] Build error fix

    videoio.hpp, cap_ffmpeg_impl.hpp : Get all code from opencv 4.6.0(official release, https://opencv.org/releases/)

    Change-Id: Ib6338e21017ae7404cf82e2b6b707a736ffa43a7
```
is remained after updating to version 4.7.0 so that it is duplicated
with the updated 4.7.0 code.
Instead of reverting the patch, it is just manually removed.

Change-Id: Ic908a00addbd83e8048b214d50f923309a696ac3
Signed-off-by: Tae-Young Chung <ty83.chung@samsung.com>