remove struct ShmemRelationInfo

Author: funbringer

src/relation_info.h

@@ -65,19 +65,6 @@ typedef struct
 					hash_proc;		/* hash function for 'atttype' */
 } PartRelationInfo;
 
-/*
- * ShmemRelationInfo
- *		Per-relation misc information stored in shmem
- */
-typedef struct
-{
-	Oid				key;			/* partitioned table's Oid */
-
-	pg_atomic_flag	dirty;			/* is anyone performing any of the
-									   partitioning-related operations
-									   on this table at the moment? */
-} ShmemRelationInfo;
-
 /*
  * RelParentInfo
  *		Cached parent of the specified partition.