Delete db/db0err.h and db directory.

db/db0err.h

-/******************************************************
-Global error codes for the database
-
-(c) 1996 Innobase Oy
-
-Created 5/24/1996 Heikki Tuuri
-*******************************************************/
-
-#ifndef db0err_h
-#define db0err_h
-
-
-#define DB_SUCCESS		10
-
-/* The following are error codes */
-#define	DB_ERROR		11
-#define DB_OUT_OF_MEMORY	12
-#define DB_OUT_OF_FILE_SPACE	13
-#define DB_LOCK_WAIT		14
-#define DB_DEADLOCK		15
-#define DB_ROLLBACK		16
-#define DB_DUPLICATE_KEY	17
-#define DB_QUE_THR_SUSPENDED	18
-#define DB_MISSING_HISTORY	19	/* required history data has been
-					deleted due to lack of space in
-					rollback segment */
-#define DB_CLUSTER_NOT_FOUND	30
-#define DB_TABLE_NOT_FOUND	31
-#define DB_MUST_GET_MORE_FILE_SPACE 32	/* the database has to be stopped
-					and restrated with more file space */
-#define DB_TABLE_IS_BEING_USED	33
-#define DB_TOO_BIG_RECORD	34	/* a record in an index would become
-					bigger than 1/2 free space in a page
-					frame */
-					
-/* The following are partial failure codes */
-#define DB_FAIL 		1000
-#define DB_OVERFLOW 		1001
-#define DB_UNDERFLOW 		1002
-#define DB_STRONG_FAIL		1003
-#define DB_RECORD_NOT_FOUND	1500
-#define DB_END_OF_INDEX		1501
-
-#endif