Revert "CTA archive IDs now start at 1 as opposed to 0"

This reverts commit 8ea69101.

catalogue/oracle_catalogue_schema_header.sql

 CREATE SEQUENCE ARCHIVE_FILE_ID_SEQ
   INCREMENT BY 1
-  START WITH 1
+  START WITH 0
   NOMAXVALUE
-  MINVALUE 1
+  MINVALUE 0
   NOCYCLE
   CACHE 20
   NOORDER;

catalogue/sqlite_catalogue_schema_header.sql

@@ -2,4 +2,4 @@ CREATE TABLE ARCHIVE_FILE_ID(
   ID INTEGER,
   CONSTRAINT ARCHIVE_FILE_ID_PK PRIMARY KEY(ID)
 );
-INSERT INTO ARCHIVE_FILE_ID(ID) VALUES(1);
+INSERT INTO ARCHIVE_FILE_ID(ID) VALUES(0);