Fix herc2 workflow shell compatibility

Remove printf '%q' which is bash-specific but the container uses /bin/sh.
The filename from Nextflow staging is already safe to use directly.

Author: madhavajay

examples/herc2/herc2-classifier/workflow.nf

@@ -53,8 +53,7 @@ process herc2_classifier {
     script:
     def genoFileName = genotype_file.getName()
     """
-    GENO_FILE=\$(printf '%q' "${genoFileName}")
-    bioscript classify "${assets_dir}/classify_herc2.py" --file \$GENO_FILE --participant_id "${participant_id}"
+    bioscript classify "${assets_dir}/classify_herc2.py" --file "${genoFileName}" --participant_id "${participant_id}"
     """
 }