Revert "add uuid type"

This reverts commit 5fa50673fc.

Need to branch within submodule before making changes.

types.h

@@ -23,9 +23,6 @@
 
 #include <inttypes.h>
 #include <pthread.h>
-#include <uuid/uuid.h>
-
-typedef uuid_t jack_uuid_t;
 
 typedef int32_t jack_shmsize_t;