Commit 3b073eda has removed pci_find_slot, so there's no point in
mentioning it in the config description as one of the deprecated APIs
there are enabled by PCI_LEGACY and still used by some drivers.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>