(svn r2505) Remove some unnecessary #includes

disaster_cmd.c

@@ -6,7 +6,6 @@
 #include "vehicle.h"
 #include "command.h"
 #include "news.h"
-#include "gfx.h"
 #include "station.h"
 #include "town.h"
 #include "industry.h"

landscape.c

@@ -5,7 +5,6 @@
 #include "table/sprites.h"
 #include "tile.h"
 #include <stdarg.h>
-#include "gfx.h"
 #include "viewport.h"
 #include "command.h"
 #include "vehicle.h"

misc.c

@@ -6,7 +6,6 @@
 #include "table/sprites.h"
 #include "map.h"
 #include "vehicle.h"
-#include "gfx.h"
 #include "assert.h"
 #include "saveload.h"
 #include "network.h"

rail_cmd.c

@@ -3,7 +3,6 @@
 #include "debug.h"
 #include "table/sprites.h"
 #include "table/strings.h"
-#include "gfx.h"
 #include "map.h"
 #include "tile.h"
 #include "vehicle.h"