Revert "no detection limit sample"

This reverts commit 249c7b03389d16121e8538aa280154f5c8af13b9.
Revert "join.py bracket at wrong place..."

This reverts commit 1c0f1c329fda12880cb385bf6e1f631d3286acf9.
Revert "Hr>20 moved to join.py to reduce file size, commented out ps1_sigma_max.py as it is not needed"

This reverts commit 0c05a9dd72d5dc80cb372a4a6f1093db80414450.
Revert "Hr>20 only"

This reverts commit 993908b98ad49999d4747d311d42a863692994cb.
Revert "added _incomplete.npy"

This reverts commit 2b1c45ed9ba8c801009838f552b9f1c677bb5449.
Revert "Commented out newtest_direct.py"

This reverts commit e4c06e7f55fb58008feb3a1edb17f28243defaf5.
Revert "Change output file name in join3.py so that it doesn't overwrite. Changed output file name in join4.py."

This reverts commit b1effc6a7d208c3279d1daaa38b93eab4cc6f972.
Revert "Changed to allow for incomplete volume space so as to maximise the search volume for extreme white dwarfs."

This reverts commit 2bc0c5dbfc0f44015149214f0c29105dc3e9a257.