Remove unused target_family_valid().

Author: flit

source/target/target_family.c

@@ -114,11 +114,6 @@ void init_family(void)
     }
 }
 
-uint8_t target_family_valid(void)
-{
-    return (g_target_family != NULL);
-}
-
 uint8_t target_set_state(TARGET_RESET_STATE state)
 {
     if (g_board_info.target_set_state) { //target specific

source/target/target_family.h

@@ -84,7 +84,6 @@ extern "C" {
 #endif
 
 void init_family(void);
-uint8_t target_family_valid(void);
 uint8_t target_set_state(TARGET_RESET_STATE state);
 void swd_set_target_reset(uint8_t asserted);
 uint32_t target_get_apsel(void);

source/usb/usb_lib.c

@@ -2468,7 +2468,6 @@ BOOL USBD_EndPoint0_Setup_WebUSB_ReqToDevice(void)
 
 
 extern uint8_t flash_algo_valid(void);
-extern uint8_t target_family_valid(void);
 
 static U16 start_desc_fill(U8 * config_desc, U8 * config_desc_hs, U8 if_num) {
     U8 * pD = 0;