CLN/API: Remove max_indent from _str_helper.
CLN/API: Remove max_indent from _str_helper.

ericdill/databroker,ericdill/databroker,tacaswell/metadataStore,hhslepicka/metadatastore,arkilic/metadatastore,arkilic/metadatastore,NSLS-II/metadatastore,tacaswell/metadataStore,NSLS-II/metadatastore,hhslepicka/metadatastore