Revert "SERVER-40567 benchRun support for pipeline updates"

...rd_local_read_write_multi_stmt_txn_jscore_passthrough.yml

.../suites/multi_shard_multi_stmt_txn_jscore_passthrough.yml

..._shard_multi_stmt_txn_kill_primary_jscore_passthrough.yml

...rd_multi_stmt_txn_stepdown_primary_jscore_passthrough.yml

...ites/multi_stmt_txn_jscore_passthrough_with_migration.yml

...suites/replica_sets_multi_stmt_txn_jscore_passthrough.yml

...nfig/suites/sharded_multi_stmt_txn_jscore_passthrough.yml

jstests/core/bench_test1.js

jstests/core/benchrun_pipeline_updates.js

src/mongo/shell/bench.cpp

src/mongo/shell/bench.h

src/mongo/shell/dbshell.cpp