Removed unneeded members from img type

image.h

@@ -55,9 +55,6 @@ typedef struct {
 	bool aa;
 	bool alpha;
 
-	bool slideshow;
-	int ss_delay; /* in ms */
-
 	multi_img_t multi;
 } img_t;
 

window.h

@@ -49,7 +49,7 @@ typedef struct {
 	int x;
 	int y;
 	unsigned int w;
-	unsigned int h;
+	unsigned int h; /* = win height - bar height */
 	unsigned int barh;
 	unsigned int bw;