966: Cleanup indexed data before recrawling dataset

Task-Url: https://pm.winseda.de/issues/966

messages_de.properties

@@ -204,6 +204,8 @@
 ~eu.dariah.de.minfba.search.actions.crawls.remove                       = Daten l\u00F6schen
 ~eu.dariah.de.minfba.search.actions.crawls.try_continue                 = Vorgang fortsetzen
 ~eu.dariah.de.minfba.search.actions.schemas.clear                       = Index erstellen
+~eu.dariah.de.minfba.search.crawling.cleaner.title                      = Bereinigung der Indices
+~eu.dariah.de.minfba.search.crawling.cleaner.unit                       = Indices
 ~eu.dariah.de.minfba.search.crawling.file.chunker.title                 = Aufteilen gro\u00DFer Dateien
 ~eu.dariah.de.minfba.search.crawling.file.chunker.unit                  = Teile
 ~eu.dariah.de.minfba.search.crawling.file.downloader.title              = Daten herunterladen

messages_en.properties

@@ -107,6 +107,8 @@
 ~eu.dariah.de.minfba.search.actions.crawls.remove                       = Delete data
 ~eu.dariah.de.minfba.search.actions.crawls.try_continue                 = Continue crawl
 ~eu.dariah.de.minfba.search.actions.schemas.clear                       = Create index
+~eu.dariah.de.minfba.search.crawling.cleaner.title                      = Cleaning up indices
+~eu.dariah.de.minfba.search.crawling.cleaner.unit                       = Indices
 ~eu.dariah.de.minfba.search.crawling.file.chunker.title                 = Chunking of large files
 ~eu.dariah.de.minfba.search.crawling.file.chunker.unit                  = chunks
 ~eu.dariah.de.minfba.search.crawling.file.downloader.title              = Download data