remove dead code [ci skip]

Author: abhi18av

modules/utils/sample_stats.nf

@@ -18,7 +18,6 @@ process UTILS_SAMPLE_STATS {
             --ntmfraction_file ${ntmFraction} \\
             --median_coverage_cutoff ${params.median_coverage_cutoff} \\
             --breadth_of_coverage_cutoff ${params.breadth_of_coverage_cutoff} \\
-            --rel_abundance_cutoff ${params.rel_abundance_cutoff} \\
             --ntm_fraction_cutoff ${params.ntm_fraction_cutoff}
         """