kernel: delete stray linux 6.1 patch

Fixes: cc285dc2b6 ("generic: net: phy: realtek: add interrupt support for RTL8221B")
Signed-off-by: Felix Fietkau <nbd@nbd.name>

target/linux/generic/pending-6.1/741-net-phy-realtek-support-interrupt-of-RTL8221B.patch

@@ -1,63 +0,0 @@
---- a/drivers/net/phy/realtek.c
-+++ b/drivers/net/phy/realtek.c
-@@ -979,6 +979,51 @@ static int rtl8221b_config_init(struct p
- 	return 0;
- }
- 
-+static int rtl8221b_ack_interrupt(struct phy_device *phydev)
-+{
-+	int err;
-+
-+	err = phy_read_mmd(phydev, RTL8221B_MMD_PHY_CTRL, 0xa4d4);
-+
-+	return (err < 0) ? err : 0;
-+}
-+
-+static int rtl8221b_config_intr(struct phy_device *phydev)
-+{
-+	int err;
-+
-+	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
-+		err = rtl8221b_ack_interrupt(phydev);
-+		if (err)
-+			return err;
-+
-+		err = phy_write_mmd(phydev, RTL8221B_MMD_PHY_CTRL, 0xa4d2, 0x7ff);
-+	} else {
-+		err = phy_write_mmd(phydev, RTL8221B_MMD_PHY_CTRL, 0xa4d2, 0x0);
-+		if (err)
-+			return err;
-+
-+		err = rtl8221b_ack_interrupt(phydev);
-+	}
-+
-+	return err;
-+}
-+
-+static irqreturn_t rtl8221b_handle_interrupt(struct phy_device *phydev)
-+{
-+	int err;
-+
-+	err = rtl8221b_ack_interrupt(phydev);
-+	if (err) {
-+		phy_error(phydev);
-+		return IRQ_NONE;
-+	}
-+
-+	phy_trigger_machine(phydev);
-+
-+	return IRQ_HANDLED;
-+}
-+
- static struct phy_driver realtek_drvs[] = {
- 	{
- 		PHY_ID_MATCH_EXACT(0x00008201),
-@@ -1139,6 +1184,8 @@ static struct phy_driver realtek_drvs[]
- 		.get_features   = rtl822x_get_features,
- 		.config_init    = rtl8221b_config_init,
- 		.config_aneg    = rtl822x_config_aneg,
-+		.config_intr	= rtl8221b_config_intr,
-+		.handle_interrupt = rtl8221b_handle_interrupt,
- 		.probe          = rtl822x_probe,
- 		.read_status    = rtl822x_read_status,
- 		.suspend        = genphy_suspend,