staging: rtl8188eu: Kill dead calls to kill_pid()

There is no interface to register PIDs of processes the driver should
send a signal to. Remove it.

Signed-off-by: Jakub Sitnicki <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/rtl8188eu/include/drv_types.h

···
 };
 
 struct adapter {
-	int	pid[3];/* process id from UI, 0:wps, 1:hostapd, 2:dhcpcd */
 	u16	chip_type;
 
 	struct dvobj_priv *dvobj;

drivers/staging/rtl8188eu/include/osdep_service.h

···
 #define FUNC_ADPT_FMT "%s(%s)"
 #define FUNC_ADPT_ARG(adapter) __func__, adapter->pnetdev->name
 
-#define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)), (sig), 1)
-
 u64 rtw_modular64(u64 x, u64 y);
 
 /* Macros for handling unaligned memory accesses */

drivers/staging/rtl8188eu/include/rtw_ioctl.h

···
 		 u32 informationbufferlength, u32 *bytesread,
 		 u32 *bytesneeded);
 
-extern int ui_pid[3];
-
 #endif /*  #ifndef __INC_CEINFO_ */

drivers/staging/rtl8188eu/os_dep/mlme_linux.c

···
 {
 	rtw_indicate_wx_assoc_event(adapter);
 	netif_carrier_on(adapter->pnetdev);
-	if (adapter->pid[2] != 0)
-		rtw_signal_process(adapter->pid[2], SIGALRM);
 }
 
 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)

drivers/staging/rtl8188eu/os_dep/usb_intf.c

···
 #include <usb_hal.h>
 #include <rtw_ioctl.h>
 
-int ui_pid[3] = {0, 0, 0};
-
 #define USB_VENDER_ID_REALTEK		0x0bda
 
 /* DID_USB_v916_20130116 */
···
 
 	_exit_pwrlock(&pwrpriv->lock);
 
-	if (padapter->pid[1] != 0) {
-		DBG_88E("pid[1]:%d\n", padapter->pid[1]);
-		rtw_signal_process(padapter->pid[1], SIGUSR2);
-	}
-
 	rtw_roaming(padapter, NULL);
 
 	ret = 0;
···
 	if (if1 == NULL) {
 		DBG_88E("rtw_init_primarystruct adapter Failed!\n");
 		goto free_dvobj;
-	}
-
-	if (ui_pid[1] != 0) {
-		DBG_88E("ui_pid[1]:%d\n", ui_pid[1]);
-		rtw_signal_process(ui_pid[1], SIGUSR2);
 	}
 
 	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));