[rosalind] use default data set in eval example
[rosalind] use default data set in eval example

Quinny/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,shlomif/perl6-examples,perl6/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples