'Press any key' message functionality is moved to pong struct.

NOTE: Last commit was sent by mistake, it is part of this one

src/main.c

@@ -7,8 +7,6 @@
 int main (int argc, char* args[])
 {
   Pong *p = NULL;
-    int start = false;
-
     if (SDL_Init(SDL_INIT_VIDEO) < 0)
     {
         printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
@@ -27,18 +25,6 @@ int main (int argc, char* args[])
       SDL_Quit();
       return 1;
     }
-    Pong_render(p);
-
-    while (!start) {
-      printf("Press any key to start...\r");
-      fflush(stdout);
-      while( SDL_PollEvent( &(p->e) ) != 0 )
-				{
-				  if( p->e.type == SDL_KEYDOWN) start = true;
-				}
-    }
-    putc('\n', stdout);
-    
     Pong_run(p);
     Pong_free(p);