refs #25212 [ba_sn] fix missing SolrCloud configuration on local level

local/config/vufind/config.ini

@@ -539,7 +539,7 @@ ils_encryption_key = false
 ; url can also be an array of servers. If so, VuFind will try the servers one by one
 ; until one can be reached. This is only useful for advanced fault-tolerant Solr
 ; installations.
-url = https://index.ub.uni-leipzig.de/solr
+url = https://solrcloud.ub.uni-leipzig.de/solr
 ; Default bibliographic record core
 default_core    = biblio
 ; Default authority record core

local/config/vufind/searches.ini

@@ -609,11 +609,9 @@ topic            = "Subjects"
 ; Leave this section commented out to disable sharding.
 ; To use sharding, simply fill in lines using the format:
 ; [display name of shard] = [URL of shard (without http://)]
-[IndexShards]
+;[IndexShards]
 ;Library Catalog = localhost:8983/solr/biblio
 ;Website = localhost:8983/solr/website
-ai = ai.ub.uni-leipzig.de/solr/biblio
-main = index.ub.uni-leipzig.de/solr/biblio
 
 ; This section allows you to set preferences for shards display.  You only need to
 ; set these if you want to use shards.  See also the [StripFields] section below