removed HSE speed limitation for STM32G431RB

Author: cooleo2

targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xB/system_clock.c

@@ -88,9 +88,9 @@ MBED_WEAK uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
     RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
     RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct = { 0 };
 
-#if HSE_VALUE != 24000000
-#error Unsupported externall clock value, check HSE_VALUE define
-#endif
+//#if HSE_VALUE != 24000000
+//#error Unsupported externall clock value, check HSE_VALUE define
+//#endif
 
     /* Configure the main internal regulator output voltage */
     __HAL_RCC_PWR_CLK_ENABLE();