`kernel_irqchip` option doesn't seem to bring any benefits and, on the
contrary, its usage cause issues when using the microvm machine type.
With this in mind, let's remove it.
upstream:17de94e118
Signed-off-by: Vanient <xiadanni1@huawei.com>
(cherry picked from commit 0cf3a45ae7512f10d3c4728529a9819a368057a2)