Drop num_device_global

Author: pcolberg

include/acl.h

@@ -505,7 +505,6 @@ typedef struct acl_device_def_autodiscovery_t {
   std::vector<acl_hostpipe_info_t> acl_hostpipe_info;
 
   // Device global definition.
-  unsigned int num_device_global;
   std::unordered_map<std::string, acl_device_global_mem_def_t>
       device_global_mem_defs;
 } acl_device_def_autodiscovery_t;