Exclude custom utPLSQL objects from installation

[MauriceWilhelm]

The custom utPLSQL objects are currently not used in present version of QUASTO.

The following install files should be excluded and removed from dev branch

1. src/ddl

• cons: utplsql_calendar.sql, utplsql_test_case.sql, utplsql_test_run.sql, utplsql_test_suite.sql
• fk: utplsql_test_case.sql, utplsql_test_suite.sql
• ind: utplsql_test_case.sql, utplsql_test_run.sql, utplsql_test_suite.sql
• seq: case_seq, cldr_seq.sql, run_seq.sql, suite_seq.sql
• tab: utplsql_calendar.sql, utplsql_test_case.sql, utplsql_test_run.sql, utplsql_test_suite.sql

2. src/plsql

• pkg: prepare_test_results_pkg.sql
• trg: case_iu_trg.sql, cldr_iu_trg, run_iu_trg.sql, suite_iu_trg.sql

Adjust install_utplsql_objects.sql, uninstall_all_objects.sql and recompile_utplsql_objects.sql files.

[MauriceWilhelm]

Created new branch feature-custom-utplsql-objects from dev branch; removed utPLSQL install files for unused objects