Reapply clean up #include files PRs

Following PRs are reapplied: 1465, 1509, 1514, and 1518.

Author: rafsun42

src/backend/catalog/ag_label.c

@@ -30,7 +30,6 @@
 #include "commands/label_commands.h"
 #include "executor/cypher_utils.h"
 #include "utils/ag_cache.h"
-#include "utils/graphid.h"
 #include "utils/agtype_raw.h"
 
 static label_cache_data *get_entity_lcd(graphid entity_id, Oid graph_oid);

src/backend/executor/cypher_create.c

@@ -22,9 +22,6 @@
 #include "catalog/ag_label.h"
 #include "executor/cypher_executor.h"
 #include "executor/cypher_utils.h"
-#include "nodes/cypher_nodes.h"
-#include "utils/agtype.h"
-#include "utils/graphid.h"
 #include "parser/cypher_label_expr.h"
 
 static void begin_cypher_create(CustomScanState *node, EState *estate,

src/backend/executor/cypher_merge.c

@@ -23,9 +23,6 @@
 #include "executor/cypher_executor.h"
 #include "executor/cypher_utils.h"
 #include "utils/datum.h"
-#include "nodes/cypher_nodes.h"
-#include "utils/agtype.h"
-#include "utils/graphid.h"
 #include "parser/cypher_label_expr.h"
 
 /*

src/backend/executor/cypher_set.c

@@ -23,9 +23,6 @@
 
 #include "executor/cypher_executor.h"
 #include "executor/cypher_utils.h"
-#include "nodes/cypher_nodes.h"
-#include "utils/agtype.h"
-#include "utils/graphid.h"
 #include "utils/ag_cache.h"
 #include "catalog/ag_label.h"