hwc2: Reset FD limits to default.

Remove change to increase fd limit as this change is redundant.
This change reverts Ifd11521fe648204d8ce153a8010ad0f73cbfb9e8.

Change-Id: I8331618e9c9b84053052986c91aba0c46fa6c86c
CRs-Fixed: 2229346
1 file changed