swrast: Remove unnecessary headers.

src/mesa/swrast/s_texfilter.c

@@ -27,7 +27,6 @@
 #include "main/context.h"
 #include "main/colormac.h"
 #include "main/imports.h"
-#include "main/texformat.h"
 
 #include "s_context.h"
 #include "s_texfilter.h"

src/mesa/swrast/s_triangle.c

@@ -34,7 +34,6 @@
 #include "main/colormac.h"
 #include "main/imports.h"
 #include "main/macros.h"
-#include "main/texformat.h"
 #include "program/prog_instruction.h"
 
 #include "s_aatriangle.h"