add update scripts from taskana to kadai and clean up other update sc…

…ripts

common/kadai-common/src/main/resources/sql/db2/kadai-schema-db2.sql

@@ -10,12 +10,12 @@ CREATE TABLE KADAI_SCHEMA_VERSION
 
 CREATE SEQUENCE KADAI_SCHEMA_VERSION_ID_SEQ
     MINVALUE 1
-    START WITH 100
+    START WITH 1000
     INCREMENT BY 1 CACHE 10;
 
 -- The VERSION value must be equal or higher then the value of KadaiEngineImpl.MINIMAL_KADAI_SCHEMA_VERSION
 INSERT INTO KADAI_SCHEMA_VERSION (ID, VERSION, CREATED)
-VALUES (KADAI_SCHEMA_VERSION_ID_SEQ.NEXTVAL,  '7.1.0', CURRENT_TIMESTAMP);
+VALUES (KADAI_SCHEMA_VERSION_ID_SEQ.NEXTVAL,  '9.0.0', CURRENT_TIMESTAMP);
 
 CREATE TABLE CLASSIFICATION
 (