[SYCL] Remove OoO Emulation (#17943)
Remove the legacy implementation of emulation for OoO queues. This code
predated the PI and UR layers in DPC++ because fpga OpenCL did not
support OoO queues. Today, this type of thing should be done by the
backend compiler or UR layer.
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Signed-off-by: James Brodman <james.brodman@intel.com>
