r8169: remove rtl_hw_start_8168c_3

We can simply use rtl_hw_start_8168c_2() also for chip version 21.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169_main.c

@@ -2736,11 +2736,6 @@ static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
 	__rtl_hw_start_8168cp(tp);
 }
 
-static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
-{
-	rtl_hw_start_8168c_2(tp);
-}
-
 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
 {
 	rtl_set_def_aspm_entry_latency(tp);
@@ -3653,7 +3648,7 @@ static void rtl_hw_config(struct rtl8169_private *tp)
 		[RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1,
 		[RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1,
 		[RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2,
-		[RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3,
+		[RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_2,
 		[RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4,
 		[RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2,
 		[RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3,