remove synthetic test data

jass/test/data_test1/COV.csv

jass/test/data_test1/SumStatTab.txt

jass/test/data_test1/chr.txt

jass/test/data_test1/initTable.hdf5

jass/test/data_test1/metadata.txt

jass/test/data_test1/regions.txt

jass/test/data_test1/summary.csv

jass/test/data_test1/worktable.hdf5

jass/test/data_test1/z_DISNEY_POCAHONT_chr1.txt

jass/test/data_test1/z_DISNEY_POCAHONT_chr2.txt

jass/test/data_test1/z_DISNEY_POCAHONT_chr3.txt

jass/test/data_test1/z_DISNEY_RATATOUY_chr1.txt

jass/test/data_test1/z_DISNEY_RATATOUY_chr2.txt

jass/test/data_test1/z_DISNEY_RATATOUY_chr3.txt

jass/test/data_test2/COV.csv

jass/test/data_test2/chr.txt

jass/test/data_test2/create_unit_test_smart.R

jass/test/data_test2/initTable.hdf5

jass/test/data_test2/metadata.txt

jass/test/data_test2/regions.txt