Hide the xrootd bearer token. Remove references to S3 secrets. (#18)

### Briefly, what does this PR introduce?
Hide the xrootd bearer token. Remove references to S3 secrets.
This goes in conjunction with
https://github.com/eic/job_submission_condor/blob/feature-use-xrootd-transfer/templates/osg_csv.sh.in#L4

### What kind of change does this PR introduce?
- [ ] Bug fix (issue #__)
- [ ] New feature (issue #__)
- [ ] Documentation update
- [ ] Other: __

### Please check if this PR fulfills the following:
- [ ] Tests for the changes have been added
- [ ] Documentation has been added / updated
- [ ] Changes have been communicated to collaborators

### Does this PR introduce breaking changes? What changes might users
need to make to their code?

### Does this PR change default behavior?

scripts/run.sh

@@ -5,7 +5,7 @@ IFS=$'\n\t'
 
 # Load job environment (mask secrets)
 if ls environment*.sh ; then
-  grep -v SECRET environment*.sh
+  grep -v BEARER environment*.sh
   source environment*.sh
 fi
 
@@ -147,7 +147,7 @@ mkdir -p ${RECO_TEMP}
     --compactFile ${DETECTOR_PATH}/${DETECTOR_CONFIG}.xml \
     --outputFile ${FULL_TEMP}/${TASKNAME}.edm4hep.root
   ls -al ${FULL_TEMP}/${TASKNAME}.edm4hep.root
-} 2>&1 | grep -v SECRET_KEY | tee ${LOG_TEMP}/${TASKNAME}.npsim.log | tail -n1000
+} 2>&1 | tee ${LOG_TEMP}/${TASKNAME}.npsim.log | tail -n1000
 
 # Data egress to directory
 if [ "${COPYFULL:-false}" == "true" ] ; then
@@ -170,7 +170,7 @@ fi
     "${FULL_TEMP}/${TASKNAME}.edm4hep.root"
   if [ -f jana.dot ] ; then mv jana.dot ${LOG_TEMP}/${TASKNAME}.eicrecon.dot ; fi
   ls -al ${RECO_TEMP}/${TASKNAME}*.eicrecon.tree.edm4eic.root
-} 2>&1 | grep -v SECRET_KEY | tee ${LOG_TEMP}/${TASKNAME}.eicrecon.log | tail -n1000
+} 2>&1 | tee ${LOG_TEMP}/${TASKNAME}.eicrecon.log | tail -n1000
 
 # List log files
 ls -al ${LOG_TEMP}/${TASKNAME}.*