i40e: Strip configfs code

The use of configfs is not allowed in network drivers.  Strip the code that
uses it.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/Kconfig

@@ -303,15 +303,6 @@ config I40E_FCOE
 
 	  If unsure, say N.
 
-config I40E_CONFIGFS_FS
-	bool "Config File System Support (configfs)"
-	default n
-	depends on I40E && CONFIGFS_FS && !(I40E=y && CONFIGFS_FS=m)
-	---help---
-	  Provides support for the configfs file system for additional
-	  driver configuration.  Say Y here if you want to use the
-	  configuration file system in the driver.
-
 config I40EVF
 	tristate "Intel(R) XL710 X710 Virtual Function Ethernet support"
 	depends on PCI_MSI

drivers/net/ethernet/intel/i40e/Makefile

@@ -37,7 +37,6 @@ i40e-objs := i40e_main.o \
 	i40e_hmc.o	\
 	i40e_lan_hmc.o	\
 	i40e_nvm.o	\
-	i40e_configfs.o	\
 	i40e_debugfs.o	\
 	i40e_diag.o	\
 	i40e_txrx.o	\

drivers/net/ethernet/intel/i40e/i40e.h

@@ -749,10 +749,6 @@ int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 void i40e_ptp_init(struct i40e_pf *pf);
 void i40e_ptp_stop(struct i40e_pf *pf);
 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
-#if IS_ENABLED(CONFIG_I40E_CONFIGFS_FS)
-int i40e_configfs_init(void);
-void i40e_configfs_exit(void);
-#endif /* CONFIG_I40E_CONFIGFS_FS */
 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);