Cleanup code

src/demo_send.cpp

@@ -17,17 +17,6 @@ int main( int argc, char* argv[] )
     const std::string canChannel = "vcan0";
     const int canSocket = can::connect( canChannel );
 
-    /*std::cout << std::hex << std::uppercase << std::setfill('0');
-
-    for( int c=0; c<100; ++c )
-    {
-        auto frame = can::read( canSocket );
-
-        std::cout << frame << std::endl;
-    }
-*/
-
-    bool state = false;
     for( int c=0; c<100; ++c )
     {
         can_frame frame;