emase-zero: update error handling

src/nf_modules/emase-zero/main.nf

@@ -53,10 +53,5 @@ emase-zero ${params.count} \
   -l ${transcript_length} \
   -g gene_to_transcript.txt \
   ${bin} 2> ${file_id}_emase-zero_report.txt
-
-if grep -q "ERROR" ${file_id}_emase-zero_report.txt; then
-  exit 1
-fi
-
 """
 }
\ No newline at end of file