Remove dead and unnecessary code from header files

Most of these code used to be necessary in the past but is not anymore
but was missed when the code which needed it was removed.

contrib/pg_tde/src/include/access/pg_tde_xlog.h

@@ -11,8 +11,6 @@
 
 #ifndef FRONTEND
 
-#include "postgres.h"
-
 /* TDE XLOG record types */
 #define XLOG_TDE_ADD_RELATION_KEY		0x00
 #define XLOG_TDE_ADD_PRINCIPAL_KEY		0x10

contrib/pg_tde/src/include/catalog/tde_global_space.h

@@ -11,7 +11,6 @@
 #ifndef TDE_GLOBAL_CATALOG_H
 #define TDE_GLOBAL_CATALOG_H
 
-#include "postgres.h"
 #include "catalog/pg_tablespace_d.h"
 
 /*

contrib/pg_tde/src/include/keyring/keyring_curl.h

@@ -12,11 +12,7 @@
 #ifndef KEYRING_CURL_H
 #define KEYRING_CURL_H
 
-#include "pg_tde_defines.h"
-
-#define VAULT_URL_MAX_LEN 512
-
-#include <stdbool.h>
+#include "c.h"
 #include <curl/curl.h>
 
 typedef struct CurlString

contrib/pg_tde/src/include/pg_tde.h

@@ -19,9 +19,6 @@ typedef struct XLogExtensionInstall
 	Oid			database_id;
 } XLogExtensionInstall;
 
-typedef void (*pg_tde_on_ext_install_callback) (XLogExtensionInstall *ext_info, bool redo);
-
-extern void on_ext_install(pg_tde_on_ext_install_callback function);
 extern void extension_install_redo(XLogExtensionInstall *xlrec);
 
 #endif							/* PG_TDE_H */

contrib/pg_tde/src/include/pg_tde_defines.h

@@ -12,7 +12,6 @@
 
 /* #define ENCRYPTION_DEBUG 1 */
 /* #define KEYRING_DEBUG 1 */
-/* #define TDE_FORK_DEBUG 1 */
-/*  #define TDE_XLOG_DEBUG 1 */
+/* #define TDE_XLOG_DEBUG 1 */
 
 #endif							/* PG_TDE_DEFINES_H */

contrib/pg_tde/src/include/pg_tde_event_capture.h

@@ -7,10 +7,6 @@
 #ifndef PG_TDE_EVENT_CAPTURE_H
 #define PG_TDE_EVENT_CAPTURE_H
 
-#include "postgres.h"
-#include "nodes/parsenodes.h"
-#include "access/transam.h"
-
 typedef enum
 {
 	TDE_ENCRYPT_MODE_RETAIN = 0,

contrib/pg_tde/src/include/pg_tde_guc.h

@@ -11,7 +11,7 @@
 #ifndef TDE_GUC_H
 #define TDE_GUC_H
 
-#include "postgres.h"
+#include "c.h"
 
 #ifndef FRONTEND
 

contrib/pg_tde/src/keyring/keyring_vault.c

@@ -29,6 +29,8 @@
 #include "pg_tde_fe.h"
 #endif
 
+#define VAULT_URL_MAX_LEN 512
+
 /*
  * JSON parser state
 */