crypto: chelsio - remove set but not used variables 'adap'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/crypto/chelsio/chcr_algo.c: In function 'chcr_device_init':
drivers/crypto/chelsio/chcr_algo.c:1371:18: warning:
 variable 'adap' set but not used [-Wunused-but-set-variable]

It not used since commit a1c6fd43

 ("crypto: chelsio - Update ntx queue
received from cxgb4")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>