NetworkPkg: Fix IpSec run into infinite loop issue in some case

NetworkPkg: Fix IpSec run into infinite loop issue in some case

v2:
* Update the copyright year and conditional judgment for removing.

When edit one SPEntry in SPD database, the corresponding SA entry will
be updated to the sas list of the new SPD entry. But before that, all
of them should be removed from the original sas list. If not, the list
will be broken into infinite loop.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18352 6f19259b-4bc3-4df7-8a09-765794883524