IVGCVSW-5401 Remove unused variable.
IVGCVSW-5401 Remove unused variable.

Signed-off-by: David Monahan <3b586dba7987ebb7bd7d41c9c9a617a1180f81c0@arm.com>
Change-Id: I127e6923f257bb4094485aa1716ead1067cf8d34

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn