Removed gtid related code

include/PgSQL_Backend.h

@@ -12,8 +12,6 @@ class PgSQL_Backend
 	void * operator new(size_t);
 	void operator delete(void *);
 	int hostgroup_id; //< The ID of the host group this connection belongs to. Set to -1 if uninitialized
-	char gtid_uuid[128]; //< An array to store a unique identifier for each transaction : for now unused
-	uint64_t gtid_trxid; //< The ID of the current transaction : for now unused
 	PgSQL_Data_Stream *server_myds;
 	//  mysql_cp_entry_t *server_mycpe;
 	bytes_stats_t server_bytes_at_cmd; //< A structure storing the number of bytes received and sent

lib/PgSQL_Backend.cpp

@@ -15,8 +15,6 @@ PgSQL_Backend::PgSQL_Backend() {
 	server_myds=NULL;
 	server_bytes_at_cmd.bytes_recv=0;
 	server_bytes_at_cmd.bytes_sent=0;
-	memset(gtid_uuid,0,sizeof(gtid_uuid));
-	gtid_trxid=0;
 }
 
 PgSQL_Backend::~PgSQL_Backend() {