svga: Remove unnecessary headers.

src/gallium/drivers/svga/svga_resource_texture.c

@@ -41,8 +41,6 @@
 #include "svga_winsys.h"
 #include "svga_debug.h"
 
-#include <util/u_string.h>
-
 
 /* XXX: This isn't a real hardware flag, but just a hack for kernel to
  * know about primary surfaces. Find a better way to accomplish this.

src/gallium/drivers/svga/svga_sampler_view.c

@@ -37,12 +37,9 @@
 #include "svga_context.h"
 #include "svga_resource_texture.h"
 #include "svga_sampler_view.h"
-#include "svga_winsys.h"
 #include "svga_debug.h"
 #include "svga_surface.h"
 
-#include <util/u_string.h>
-
 
 struct svga_sampler_view *
 svga_get_tex_sampler_view(struct pipe_context *pipe,

src/gallium/drivers/svga/svga_screen.c

@@ -32,7 +32,6 @@
 #include "svga_context.h"
 #include "svga_screen.h"
 #include "svga_resource_texture.h"
-#include "svga_resource_buffer.h"
 #include "svga_resource.h"
 #include "svga_debug.h"
 

src/gallium/drivers/svga/svga_surface.c

@@ -40,8 +40,6 @@
 #include "svga_winsys.h"
 #include "svga_debug.h"
 
-#include <util/u_string.h>
-
 
 void
 svga_texture_copy_handle(struct svga_context *svga,