PCI: sg2042: Fix a reference count issue in sg2042_pcie_remove()

PCI: sg2042: Fix a reference count issue in sg2042_pcie_remove()

devm_pm_runtime_enable() is used in the probe, so pm_runtime_disable()
should not be called explicitly in the remove function.

Fixes: 1c72774df028 ("PCI: sg2042: Add Sophgo SG2042 PCIe driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Chen Wang <unicorn_wang@outlook.com> # on Pioneerbox.
Acked-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://patch.msgid.link/242eca0ff6601de7966a53706e9950fbcb10aac8.1759169586.git.christophe.jaillet@wanadoo.fr