[HAL][USART] Remove useless external parenthesis from if statement of USART_SetConfig() function to avoid compilation warning

Src/stm32f1xx_hal_usart.c

diff --git a/Src/stm32f1xx_hal_usart.c b/Src/stm32f1xx_hal_usart.c
index eb5bacd..7c01b90 100644
--- a/Src/stm32f1xx_hal_usart.c
+++ b/Src/stm32f1xx_hal_usart.c
@@ -2782,7 +2782,7 @@
   CLEAR_BIT(husart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE));
 
   /*-------------------------- USART BRR Configuration -----------------------*/
-  if((husart->Instance == USART1))
+  if (husart->Instance == USART1)
   {
     pclk = HAL_RCC_GetPCLK2Freq();
     husart->Instance->BRR = USART_BRR(pclk, husart->Init.BaudRate);