Fix db2 drop common sql file

Author: tijsrademakers

modules/flowable-engine-common/src/main/resources/org/flowable/common/db/drop/flowable.db2.drop.common.sql

@@ -43,36 +43,36 @@ drop table ACT_HI_IDENTITYLINK;
 
 drop index ACT_IDX_JOB_EXCEPTION_ID;
 drop index ACT_IDX_JOB_CUSTOM_VAL_ID;
-drop index ACT_IDX_JOB_CORRELATION_ID_;
+drop index ACT_IDX_JOB_CORRELATION_ID;
 drop index ACT_IDX_JOB_SCOPE;
 drop index ACT_IDX_JOB_SUB_SCOPE;
 drop index ACT_IDX_JOB_SCOPE_DEF;
 
 drop index ACT_IDX_TJOB_EXCEPTION_ID;
 drop index ACT_IDX_TJOB_CUSTOM_VAL_ID;
-drop index ACT_IDX_TJOB_CORRELATION_ID_;
-drop index ACT_IDX_TJOB_DUEDATE_;
+drop index ACT_IDX_TJOB_CORRELATION_ID;
+drop index ACT_IDX_TJOB_DUEDATE;
 drop index ACT_IDX_TJOB_SCOPE;
 drop index ACT_IDX_TJOB_SUB_SCOPE;
 drop index ACT_IDX_TJOB_SCOPE_DEF;
 
 drop index ACT_IDX_SJOB_EXCEPTION_ID;
 drop index ACT_IDX_SJOB_CUSTOM_VAL_ID;
-drop index ACT_IDX_SJOB_CORRELATION_ID_;
+drop index ACT_IDX_SJOB_CORRELATION_ID;
 drop index ACT_IDX_SJOB_SCOPE;
 drop index ACT_IDX_SJOB_SUB_SCOPE;
 drop index ACT_IDX_SJOB_SCOPE_DEF;
 
 drop index ACT_IDX_DJOB_EXCEPTION_ID;
 drop index ACT_IDX_DJOB_CUSTOM_VAL_ID;
-drop index ACT_IDX_DJOB_CORRELATION_ID_;
+drop index ACT_IDX_DJOB_CORRELATION_ID;
 drop index ACT_IDX_DJOB_SCOPE;
 drop index ACT_IDX_DJOB_SUB_SCOPE;
 drop index ACT_IDX_DJOB_SCOPE_DEF;
 
 drop index ACT_IDX_EJOB_EXCEPTION_ID;
 drop index ACT_IDX_EJOB_CUSTOM_VAL_ID;
-drop index ACT_IDX_EJOB_CORRELATION_ID_;
+drop index ACT_IDX_EJOB_CORRELATION_ID;
 drop index ACT_IDX_EJOB_SCOPE;
 drop index ACT_IDX_EJOB_SUB_SCOPE;
 drop index ACT_IDX_EJOB_SCOPE_DEF;