dts: remove unused clock-controllers property #17122

The 'clock-controllers' property is not specified and not used for any
generation.  Lets remove it.

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

dts/arm/st/g0/stm32g0.dtsi

@@ -48,7 +48,6 @@
 
 		rcc: rcc@40021000 {
 			compatible = "st,stm32-rcc";
-			clocks-controller;
 			#clock-cells = <2>;
 			reg = <0x40021000 0x400>;
 			label = "STM32_CLK_RCC";