change default `BWA aln -n` value back to 0.01, as in eager1 (instead of `0.03` which is now the default)?

[TCLamnidis]

@jfy133

[jfy133]

Will change this in nf-core/eager shh profile, as that is a Leipzig/Jena specific thing that was never really vallidated (although I did find the paper it was originally used).

[jfy133]

nf-core/configs#151