wifi: rtlwifi: Remove rtl_intf_ops.read_efuse_byte

PCI drivers and USB drivers can both use the same function,
read_efuse_byte(), and they can call it directly.

rtl8192de was the only user.

Tested only with the upcoming rtl8192du driver.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/4e2c968d-f25c-4a40-be97-4fdcbdde69cf@gmail.com

drivers/net/wireless/realtek/rtlwifi/pci.c

@@ -2374,7 +2374,6 @@ EXPORT_SYMBOL(rtl_pci_resume);
 #endif /* CONFIG_PM_SLEEP */
 
 const struct rtl_intf_ops rtl_pci_ops = {
-	.read_efuse_byte = read_efuse_byte,
 	.adapter_start = rtl_pci_start,
 	.adapter_stop = rtl_pci_stop,
 	.check_buddy_priv = rtl_pci_check_buddy_priv,

drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.c

@@ -1669,10 +1669,8 @@ static void _rtl92de_efuse_update_chip_version(struct ieee80211_hw *hw)
 	u8 cutvalue[2];
 	u16 chipvalue;
 
-	rtlpriv->intf_ops->read_efuse_byte(hw, EEPROME_CHIP_VERSION_H,
-					   &cutvalue[1]);
-	rtlpriv->intf_ops->read_efuse_byte(hw, EEPROME_CHIP_VERSION_L,
-					   &cutvalue[0]);
+	read_efuse_byte(hw, EEPROME_CHIP_VERSION_H, &cutvalue[1]);
+	read_efuse_byte(hw, EEPROME_CHIP_VERSION_L, &cutvalue[0]);
 	chipvalue = (cutvalue[1] << 8) | cutvalue[0];
 	switch (chipvalue) {
 	case 0xAA55:

drivers/net/wireless/realtek/rtlwifi/wifi.h

@@ -2289,7 +2289,6 @@ struct rtl_hal_ops {
 
 struct rtl_intf_ops {
 	/*com */
-	void (*read_efuse_byte)(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf);
 	int (*adapter_start)(struct ieee80211_hw *hw);
 	void (*adapter_stop)(struct ieee80211_hw *hw);
 	bool (*check_buddy_priv)(struct ieee80211_hw *hw,