Update GENERATE_CRAM_CSV to samtools 1.20

[DLBPointon]

Description of feature

As title says

[DLBPointon]

This will rely on whether the module appears in TreeVal first. If so then it can be copied across and potentially just add tests and "formalise" the format to match nf-core.

[DLBPointon]

No longer needed as code is replaced by SANGER_TOL subworkflows