PCI: Remove obsolete pci_cleanup_rom() declaration

Commit d9c8bea ("PCI: Remove unused IORESOURCE_ROM_COPY and
IORESOURCE_ROM_BIOS_COPY") removed pci_cleanup_rom(), but retained
its declaration in pci.h.

Remove it.

Link: https://lore.kernel.org/r/fc30de5276e21d5a3ebcb7e58a8b43e399f7e6e6.1698668982.git.lukas@wunner.de
Signed-off-by: Lukas Wunner <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>

Author: l1k

drivers/pci/pci.h

@@ -31,7 +31,6 @@ bool pcie_cap_has_rtctl(const struct pci_dev *dev);
 
 /* Functions internal to the PCI core code */
 
-void pci_cleanup_rom(struct pci_dev *dev);
 #ifdef CONFIG_DMI
 extern const struct attribute_group pci_dev_smbios_attr_group;
 #endif