ARM: dts: STiH407-family: remove audio remoteproc node

This node is unused, remove it

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

arch/arm/boot/dts/stih407-family.dtsi

@@ -33,12 +33,6 @@
 			status = "disabled";
 		};
 
-		audio_reserved: rproc@42000000 {
-			compatible = "shared-dma-pool";
-			reg = <0x42000000 0x01000000>;
-			no-map;
-			status = "disabled";
-		};
 
 		dmu_reserved: rproc@43000000 {
 			compatible = "shared-dma-pool";
@@ -835,16 +829,6 @@
 			st,syscfg	= <&syscfg_core 0x220>;
 		};
 
-		st231_audio: remote-processor {
-			compatible	= "st,st231-rproc";
-			memory-region	= <&audio_reserved>;
-			resets		= <&softreset STIH407_ST231_AUD_SOFTRESET>;
-			reset-names	= "sw_reset";
-			clocks		= <&clk_s_c0_flexgen CLK_ST231_AUD_0>;
-			clock-frequency	= <600000000>;
-			st,syscfg	= <&syscfg_core 0x228>;
-		};
-
 		st231_dmu: remote-processor {
 			compatible	= "st,st231-rproc";
 			memory-region	= <&dmu_reserved>;