ARM: STi: DT: STiH415: Remove unused CLK_S_GMAC0_PHY & CLK_S_ETH1_PHY fixed clocks

CLK_S_GMAC0_PHY &  CLK_S_ETH1_PH clocks are no longer used.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>

arch/arm/boot/dts/stih415-clock.dtsi

@@ -32,20 +32,6 @@ arm_periph_clk: arm_periph_clk {
 			clock-frequency = <500000000>;
 		};
 
-		CLKS_GMAC0_PHY: clockgenA1@7 {
-			#clock-cells = <0>;
-			compatible = "fixed-clock";
-			clock-frequency = <25000000>;
-			clock-output-names = "CLKS_GMAC0_PHY";
-		};
-
-		CLKS_ETH1_PHY: clockgenA0@7 {
-			#clock-cells = <0>;
-			compatible = "fixed-clock";
-			clock-frequency = <25000000>;
-			clock-output-names = "CLKS_ETH1_PHY";
-		};
-
 		/*
 		 * ClockGenAs on SASG1
 		 */