staging: rtl8723bs: isAllSpaceOrTab() is not used

The function isAllSpaceOrTab() is not used anywhere, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230310083449.23775-4-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/hal_com.c

@@ -877,21 +877,6 @@ bool GetU1ByteIntegerFromStringInDecimal(char *Str, u8 *pInt)
 	return true;
 }
 
-bool isAllSpaceOrTab(u8 *data, u8 size)
-{
-	u8 cnt = 0, NumOfSpaceAndTab = 0;
-
-	while (size > cnt) {
-		if (data[cnt] == ' ' || data[cnt] == '\t' || data[cnt] == '\0')
-			++NumOfSpaceAndTab;
-
-		++cnt;
-	}
-
-	return size == NumOfSpaceAndTab;
-}
-
-
 void rtw_hal_check_rxfifo_full(struct adapter *adapter)
 {
 	struct dvobj_priv *psdpriv = adapter->dvobj;

drivers/staging/rtl8723bs/include/hal_com.h

@@ -149,8 +149,6 @@ bool eqNByte(u8 *str1, u8 *str2, u32 num);
 
 bool GetU1ByteIntegerFromStringInDecimal(char *str, u8 *in);
 
-bool isAllSpaceOrTab(u8 *data, u8 size);
-
 void linked_info_dump(struct adapter *padapter, u8 benable);
 #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
 void rtw_get_raw_rssi_info(void *sel, struct adapter *padapter);