removed unused cleaning options

agg2graph/src/de/fub/agg2graph/agg/AggCleaner.java

...e/fub/agg2graph/agg/strategy/GpxFrechetPriorityMerge.java

...b/agg2graph/agg/strategy/GpxmergeAggregationStrategy.java

...src/de/fub/agg2graph/gpsk/algorithms/CleaningOptions.java

...ph/src/de/fub/agg2graph/gpsk/logic/CleaningOptionsIO.java

agg2graph/src/de/fub/agg2graph/input/CleaningOptions.java

agg2graph/src/de/fub/agg2graph/input/GPSCleaner.java

agg2graph/src/de/fub/agg2graph/traclus/Benchmark.java

agg2graph/src/de/fub/agg2graph/ui/gui/UIStepStorage.java

agg2graph/unit-test/de/fub/agg2graph/input/GPSCleanTest.java