collection_removerole: Remove a role from a node
In solrium: General Purpose R Interface to 'Solr'

Remove an assigned role. This API is used to undo the roles assigned using collection_addrole

1	collection_removerole(conn, role = "overseer", node, raw = FALSE, ...)

`conn`	A solrium connection object, see SolrClient
`role`	(character) Required. The name of the role. The only supported role as of now is overseer (set as default).
`node`	(character) Required. The name of the node.
`raw`	(logical) If `TRUE`, returns raw data
`...`	You can pass in parameters like `property.name=value` to set core property name to value. See the section Defining core.properties for details on supported properties and values. (https://lucene.apache.org/solr/guide/8_2/defining-core-properties.html)

## Not run: 
(conn <- SolrClient$new())

# get list of nodes
nodes <- conn$collection_clusterstatus()$cluster$live_nodes
conn$collection_addrole(node = nodes[1])
conn$collection_removerole(node = nodes[1])

## End(Not run)