et131x: remove extraneous pci_save_state.

pci_{save, restore}_state are balanced in .suspend and .resume.
They are not used anywhere else in the driver.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>