staging: rtl8188eu: Remove unused function ConvertTo_dB()

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/odm.c

@@ -1394,28 +1394,3 @@ void odm_EdcaTurboCheckCE(struct odm_dm_struct *pDM_Odm)
 	pxmitpriv->last_tx_bytes = pxmitpriv->tx_bytes;
 	precvpriv->last_rx_bytes = precvpriv->rx_bytes;
 }
-
-u32 ConvertTo_dB(u32 Value)
-{
-	u8 i;
-	u8 j;
-	u32 dB;
-
-	Value = Value & 0xFFFF;
-	for (i = 0; i < 8; i++) {
-		if (Value <= dB_Invert_Table[i][11])
-			break;
-	}
-
-	if (i >= 8)
-		return 96;	/*  maximum 96 dB */
-
-	for (j = 0; j < 12; j++) {
-		if (Value <= dB_Invert_Table[i][j])
-			break;
-	}
-
-	dB = i*12 + j + 1;
-
-	return dB;
-}