habanalabs: remove unused but set variable 'ctx_asid'

habanalabs: remove unused but set variable 'ctx_asid'

Gcc report warning as follows:

drivers/misc/habanalabs/common/command_submission.c:373:6: warning:
 variable 'ctx_asid' set but not used [-Wunused-but-set-variable]
  373 |  int ctx_asid, rc;
      |      ^~~~~~~~

This variable is not used in function cs_timedout(), this commit
remove it to fix the warning.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200729155902.33976-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>