minor: remove unused integration tests code

integration-tests/templates/openBIS-client/.openBIS-default

integration-tests/templates/openBIS-client/check-results.sh

integration-tests/templates/openBIS-client/commands.txt

integration-tests/templates/openBIS-client/load-lims-data.sh

...ation-tests/templates/openBIS-client/testdata/MP001-1.txt

...ation-tests/templates/openBIS-client/testdata/MP002-1.txt

...ests/templates/openBIS-client/testdata/basic-controls.txt

...tests/templates/openBIS-client/testdata/basic-viruses.txt

...s/templates/openBIS-client/testdata/exampleCellPlates.txt

...mplates/openBIS-client/testdata/exampleDilutionPlates.txt

...es/openBIS-client/testdata/register-experiments/CL-3V.txt

...enBIS-client/testdata/register-experiments/cellPlates.txt

...nt/testdata/register-experiments/example3VExperiments.txt

...testdata/register-experiments/processing-instructions.txt

...t/testdata/register-experiments/processing-parameters.txt

...ts/templates/openBIS-client/testdata/role-assignments.txt