media: Revert "media: em28xx: add missing em28xx_close_extension"

stable inclusion
from stable-v5.10.110
commit 32582f82df2ba352050e8fb6e097088a84756d29
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=32582f82df2ba352050e8fb6e097088a84756d29

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[ Upstream commit fde18c3b ]

This reverts commit 2c98b8a3.

Reverted patch causes problems with Hauppauge WinTV dualHD as Maximilian
reported [1]. Since quick solution didn't come up let's just revert it
to make this device work with upstream kernels.

Link: https://lore.kernel.org/all/6a72a37b-e972-187d-0322-16336e12bdc5@elbmurf.de/

 [1]

Reported-by: Maximilian Böhm <maximilian.boehm@elbmurf.de>
Tested-by: Maximilian Böhm <maximilian.boehm@elbmurf.de>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>