removes some blank lines

35 jobs for pressure_tensor in 20 minutes and 16 seconds (queued for 17 seconds)
Name Stage Failure
gcc_10_hybrid Pretest
    raise RuntimeError("Missing tag file %s" % tag_file)
RuntimeError: Missing tag file build/Testing/TAG
Uploading artifacts for failed job
Uploading artifacts...
report.xml: found 1 matching files and directories

python/report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=582841 responseStatus=201 Created token=zzP-1bka
Cleaning up file based variables
ERROR: Job failed: exit code 1