RDMA/mlx5: Remove MAYEXEC flag

MAYEXEC flag was mistakenly added in the commit cited in the fixes line.

Fixes: 4eb6ab13 ("RDMA: Remove rdma_user_mmap_page")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/main.c

@@ -2073,7 +2073,7 @@ static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev,
 
 	if (vma->vm_flags & (VM_WRITE | VM_EXEC))
 		return -EPERM;
-	vma->vm_flags &= ~(VM_MAYWRITE | VM_MAYEXEC);
+	vma->vm_flags &= ~VM_MAYWRITE;
 
 	if (!dev->mdev->clock_info)
 		return -EOPNOTSUPP;