test/iopoll: fix over-eager no_hybrid check

The enter case can be run, don't skip it if hybrid iopoll isn't
available.

Fixes: 3c94fb1 ("test/iopoll: don't fail if HYBRID_IOPOLL isn't available")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

test/iopoll.c

@@ -290,7 +290,7 @@ static int test_io_uring_submit_enters(const char *file)
 	unsigned head;
 	struct io_uring_cqe *cqe;
 
-	if (no_iopoll || no_hybrid)
+	if (no_iopoll)
 		return 0;
 
 	ring_flags = IORING_SETUP_IOPOLL;