rewrote /regtest/secondarystructure/rt-coverage-antibetarmsd for mast… #3324

Job	Run time
codecheck / codecheck	43m 41s
docker / docker (fedora39)	20m 30s
conda / conda (ubuntu-20.04)	11m 25s
docker / docker (rocky8)	23m 50s
linux / linux (-doc-mpi-)	41m 12s
conda / conda (macos-13)	16m 59s
linux / linux (-mpi-)	53m 7s
conda / conda (macos-14)	9m 14s
mac / macports (macos-13)	27m 15s
linux / linux (-coverage-mpi-)	1h 2m 32s
mac / macports (+allmodules, macos-13)	38m 44s
linux / linux (-debug-)	30m 46s
mac / macsimple (macos-13)	12m 12s
linux / linux (-debug-mpi-)	44m 27s
mac / macsimple (macos-14)	5m 6s
linux / linux (-intel-)	44m 34s
linux / linux (-pycv-mpi-)	18m 49s
linux / linux (-nvhpc-mpi-)	57m 9s
	9h 21m 32s

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