common cmake files moved to example_common

stm32h7/networking/UdpTcLwIpPollingTask.h

@@ -1,5 +1,4 @@
-#ifndef BSP_STM32_RTEMS_EMACPOLLINGTASK_H_
-#define BSP_STM32_RTEMS_EMACPOLLINGTASK_H_
+#pragma once
 
 #include <fsfw/objectmanager/SystemObject.h>
 #include <fsfw/returnvalues/HasReturnvaluesIF.h>
@@ -36,5 +35,3 @@ private:
   TmTcLwIpUdpBridge *udpBridge = nullptr;
   struct netif *gnetif = nullptr;
 };
-
-#endif /* BSP_STM32_RTEMS_EMACPOLLINGTASK_H_ */