staging: rtl8723au: Remove redundant casting in rtl8723a_hal_init.c

Casting value returned by k[cmz]alloc is useless.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c

@@ -489,7 +489,7 @@ hal_ReadEFuse_WiFi(struct rtw_adapter *padapter,
 		return;
 	}
 
-	efuseTbl = (u8 *) kmalloc(EFUSE_MAP_LEN_8723A, GFP_KERNEL);
+	efuseTbl = kmalloc(EFUSE_MAP_LEN_8723A, GFP_KERNEL);
 	if (efuseTbl == NULL) {
 		DBG_8723A("%s: alloc efuseTbl fail!\n", __func__);
 		return;