igbvf: fix unused external references

The igbvbf driver exposed several unused extrnal references due to the fact
that code was copied from igb and then some functionality was removed.
This changes that so that unused functions are either removed or made
static.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/igbvf/vf.h

@@ -259,7 +259,6 @@ struct e1000_hw {
 /* These functions must be implemented by drivers */
 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
 void e1000_init_function_pointers_vf(struct e1000_hw *hw);
-s32  e1000_init_mac_params_vf(struct e1000_hw *hw);
 
 
 #endif /* _E1000_VF_H_ */