When the type of HiiValue is BUFFER Type, the BufferValue
of the related question can not be NULL, so can remove the
check.
Cc: Qiu Shumin <shumin.qiu@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
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