Some minor cleanup

platforms/qurt/src/px4/SerialImpl.cpp

@@ -253,11 +253,7 @@ ssize_t SerialImpl::write(const void *buffer, size_t buffer_size)
 
 void SerialImpl::flush()
 {
-	if (_open) {
-		uint8_t buffer[4];
-		// A read clears out all current data
-		read(buffer, 4);
-	}
+	// TODO: Flush not implemented yet on Qurt
 }
 
 const char *SerialImpl::getPort() const

src/drivers/rc/crsf_rc/CrsfParser.cpp

@@ -43,7 +43,6 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <string.h>
-#include <px4_log.h>
 #include "QueueBuffer.hpp"
 #include "CrsfParser.hpp"
 #include "Crc8.hpp"