update submodules and remove SDL_Image dependency

c-colours

@@ -1 +1 @@
-Subproject commit e2078d705069515d84b934c92ff99f55add77036
+Subproject commit ebf612394a92e9f697ed56c55fc236cb72b511c7

datastructures

@@ -1 +1 @@
-Subproject commit 4fcbd1c152a7ab8e749e3601a26861b4daf88a7b
+Subproject commit f3d3d3c18a46a8f75becf219fe42c4a01466f252

draw.h

@@ -2,7 +2,6 @@
 #define _DEFDRAW
 
 #include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
 
 #include "garbo.h"
 #include "c-colours/colours.h"

garbo.h

@@ -5,7 +5,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
 #include <string.h>
 #include "logger.h"
 #include <stdbool.h>

main.c

@@ -2,7 +2,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
 #include <string.h>
 #include <time.h>
 #include <stdbool.h>

types.h

@@ -3,7 +3,6 @@
 #define PTYPES_H
 
 #include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <math.h>