ASACORE-1114 Remove duplicate socket FD Close.

The closed socket FD was still being used after the initial Close,
from the Event::~Event code path. There is already a second Close
call for the same socket FD.

Change-Id: I04583ff61e377334f9c36438023d3a0784b0422e
Signed-off-by: Dan Mihai <DMihai@microsoft.com>
Merge "ASACORE-1114 Remove duplicate socket FD Close."