PCI: shpchp: Remove unused logging wrappers

The shpchp hotplug driver defines logging wrapper with generic names which
are just duplicates of existing generic printk() wrappers. They are also
unused so remove them.

Link: https://lore.kernel.org/r/20250217095550.2789-2-ilpo.jarvinen@linux.intel.com


Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>