staging: r8188eu: remove unused ijk_matrix_regs_set implementation

Instance IQKMatrixRegSetting of struct ijk_matrix_regs_set is
initialised and its member variables are assigned values, but it is
not used anywhere. Remove the structure and its unused implementation.
Suggested-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Deepak R Varma <drv@mailo.com>
Link: https://lore.kernel.org/r/Y2P6Jj+IcPss0wFd@qemulionSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/HalPhyRf_8188e.c

@@ -882,14 +882,6 @@ void PHY_IQCalibrate_8188E(struct adapter *adapt, bool recovery)
 	if (RegE94 != 0)
 		patha_fill_iqk(adapt, pathaok, result, final_candidate, (RegEA4 == 0));
 
-/* To Fix BSOD when final_candidate is 0xff */
-/* by sherry 20120321 */
-	if (final_candidate < 4) {
-		for (i = 0; i < IQK_Matrix_REG_NUM; i++)
-			dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][i] = result[final_candidate][i];
-		dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.bIQKDone = true;
-	}
-
 	_PHY_SaveADDARegisters(adapt, IQK_BB_REG_92C, dm_odm->RFCalibrateInfo.IQK_BB_backup_recover, 9);
 }
 

drivers/staging/r8188eu/include/odm.h

@@ -80,7 +80,6 @@ struct odm_rate_adapt {
 #define HP_THERMAL_NUM		8
 
 #define AVG_THERMAL_NUM		8
-#define IQK_Matrix_REG_NUM	8
 
 struct odm_phy_dbg_info {
 	/* ODM Write,debug info */
@@ -164,11 +163,6 @@ struct odm_ra_info {
 	u8 PTSmoothFactor;
 };
 
-struct ijk_matrix_regs_set {
-	bool	bIQKDone;
-	s32	Value[1][IQK_Matrix_REG_NUM];
-};
-
 struct odm_rf_cal {
 	/* for tx power tracking */
 	u32	RegA24; /*  for TempCCK */
@@ -206,7 +200,6 @@ struct odm_rf_cal {
 
 	u8	ThermalValue_HP[HP_THERMAL_NUM];
 	u8	ThermalValue_HP_index;
-	struct ijk_matrix_regs_set IQKMatrixRegSetting;
 
 	u8	Delta_IQK;
 	u8	Delta_LCK;