lib/nvme: Remove inclusion of SPDK event library

Remove inclusion of spdk/event.h and spdk_internal/event.h from
SPDK NVMe library. Their dependency had been removed before.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ide3a0902b1cebb9c9033ade45d7488622e38696c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2688
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

lib/nvme/nvme_opal.c

@@ -31,7 +31,6 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "spdk/opal.h"
-#include "spdk_internal/event.h"
 #include "spdk_internal/log.h"
 #include "spdk/util.h"
 

lib/nvme/nvme_rdma.c

@@ -40,7 +40,6 @@
 #include "spdk/assert.h"
 #include "spdk/log.h"
 #include "spdk/trace.h"
-#include "spdk/event.h"
 #include "spdk/queue.h"
 #include "spdk/nvme.h"
 #include "spdk/nvmf_spec.h"

lib/nvme/nvme_uevent.c

@@ -35,7 +35,6 @@
 #include "spdk/string.h"
 
 #include "spdk/log.h"
-#include "spdk/event.h"
 
 #include "nvme_uevent.h"