Revert "load taskwrapper only when not already there"

This reverts commit b9bd930.
Doesn't work as expected.

Author: sawenzel

MC/run/PWGHF/embedding_benchmark.sh

@@ -11,9 +11,7 @@
 [ ! "${O2_ROOT}" ] && echo "Error: This needs O2 loaded" && exit 1
 
 # ----------- LOAD UTILITY FUNCTIONS --------------------------
-if [ $(typeset -F taskwrapper) ]; then
- . ${O2_ROOT}/share/scripts/jobutils.sh
-done
+. ${O2_ROOT}/share/scripts/jobutils.sh
 
 # ----------- START ACTUAL JOB  -----------------------------