net: phy: realtek: remove unsed RTL821x_PHYSR* macros

JIRA: https://issues.redhat.com/browse/RHEL-106145

commit f3b2653
Author: Michael Klein <michael@fossekall.de>
Date:   Sun May 4 19:29:11 2025 +0200

    net: phy: realtek: remove unsed RTL821x_PHYSR* macros

    These macros have there since the first revision but were never used, so
    let's just remove them.

    Signed-off-by: Michael Klein <michael@fossekall.de>
    Link: https://patch.msgid.link/20250504172916.243185-2-michael@fossekall.de
    Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Signed-off-by: Izabela Bakollari <ibakolla@redhat.com>

Author: Izabela Bakollari

drivers/net/phy/realtek/realtek_main.c

@@ -18,10 +18,6 @@
 
 #include "realtek.h"
 
-#define RTL821x_PHYSR				0x11
-#define RTL821x_PHYSR_DUPLEX			BIT(13)
-#define RTL821x_PHYSR_SPEED			GENMASK(15, 14)
-
 #define RTL8201F_IER				0x13
 
 #define RTL8201F_ISR				0x1e