galahad: Silence creation messages.

Let galahad warnings be true warnings.

src/gallium/drivers/galahad/glhd_context.c

@@ -1023,7 +1023,5 @@ galahad_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
 
    glhd_pipe->pipe = pipe;
 
-   glhd_warn("Created context %p", (void *) glhd_pipe);
-
    return &glhd_pipe->base;
 }

src/gallium/drivers/galahad/glhd_screen.c

@@ -308,7 +308,5 @@ galahad_screen_create(struct pipe_screen *screen)
 
    glhd_screen->screen = screen;
 
-   glhd_warn("Created screen %p", (void *) glhd_screen);
-
    return &glhd_screen->base;
 }