b0bf58480da308e3cfe89ed340d47b5e2afab2fe license: remove license for file that is no longer in repo

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 437 | PASS: 434 | FAIL: 1 | XFAIL: 2 | XPASS: 0 | LIST OF FAILED TESTS: | * optimal_policy/osr_example_objective_correctness.mod

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 431 | PASS: 428 | FAIL: 1 | XFAIL: 2 | XPASS: 0 | LIST OF FAILED TESTS: | * optimal_policy/osr_example_objective_correctness.mod

A full log can be found on karaba in '/tmp/dynare-4.4-check-0QUthvM8mk.log'.