corrected samplesheet entry for missing index sequence
corrected samplesheet entry for missing index sequence

jun-wan/scilifelab,jun-wan/scilifelab,SciLifeLab/scilifelab,SciLifeLab/scilifelab,SciLifeLab/scilifelab,kate-v-stepanova/scilifelab,senthil10/scilifelab,senthil10/scilifelab,SciLifeLab/scilifelab,senthil10/scilifelab,jun-wan/scilifelab,jun-wan/scilifelab,kate-v-stepanova/scilifelab,senthil10/scilifelab,kate-v-stepanova/scilifelab,kate-v-stepanova/scilifelab