Remove duplicate #include in skin_parser.c


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29736 a1c6a512-1295-4272-9138-f99709370657
diff --git a/lib/skin_parser/skin_parser.c b/lib/skin_parser/skin_parser.c
index e9f0bf8..1916111 100644
--- a/lib/skin_parser/skin_parser.c
+++ b/lib/skin_parser/skin_parser.c
@@ -24,7 +24,6 @@
 #include <stdbool.h>
 #include <string.h>
 #include <ctype.h>
-#include <stdbool.h>
 
 #include "skin_buffer.h"
 #include "skin_parser.h"