Cleanup of codes

...ava/org/orekit/rugged/adjustment/LeastSquareAdjuster.java

src/test/java/org/orekit/rugged/api/RuggedTest.java

src/test/java/org/orekit/rugged/utils/RefiningTest.java

.../java/fr/cs/examples/refiningPleiades/GroundRefining.java

...s/java/fr/cs/examples/refiningPleiades/InterRefining.java

...efiningPleiades/generators/InterMeasurementGenerator.java

...r/cs/examples/refiningPleiades/metrics/DistanceTools.java

...xamples/refiningPleiades/metrics/LocalisationMetrics.java

...xamples/refiningPleiades/models/PleiadesViewingModel.java