usb gadget: remove needless struct members

This removes some unused members from the various USB functions.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/f_acm.c

@@ -47,9 +47,7 @@ struct f_acm {
 	u8				ctrl_id, data_id;
 	u8				port_num;
 
-	struct usb_descriptor_header	**fs_function;
 	struct acm_ep_descs		fs;
-	struct usb_descriptor_header	**hs_function;
 	struct acm_ep_descs		hs;
 
 	struct usb_ep			*notify;

drivers/usb/gadget/f_ecm.c

@@ -63,9 +63,7 @@ struct f_ecm {
 
 	char				ethaddr[14];
 
-	struct usb_descriptor_header	**fs_function;
 	struct ecm_ep_descs		fs;
-	struct usb_descriptor_header	**hs_function;
 	struct ecm_ep_descs		hs;
 
 	struct usb_ep			*notify;

drivers/usb/gadget/f_rndis.c

@@ -85,9 +85,7 @@ struct f_rndis {
 	u8				ethaddr[ETH_ALEN];
 	int				config;
 
-	struct usb_descriptor_header	**fs_function;
 	struct rndis_ep_descs		fs;
-	struct usb_descriptor_header	**hs_function;
 	struct rndis_ep_descs		hs;
 
 	struct usb_ep			*notify;

drivers/usb/gadget/f_serial.c

@@ -36,9 +36,7 @@ struct f_gser {
 	u8				data_id;
 	u8				port_num;
 
-	struct usb_descriptor_header	**fs_function;
 	struct gser_descs		fs;
-	struct usb_descriptor_header	**hs_function;
 	struct gser_descs		hs;
 };
 

drivers/usb/gadget/f_subset.c

@@ -66,9 +66,7 @@ struct f_gether {
 
 	char				ethaddr[14];
 
-	struct usb_descriptor_header	**fs_function;
 	struct geth_descs		fs;
-	struct usb_descriptor_header	**hs_function;
 	struct geth_descs		hs;
 };