Change Details

Following T245860 and T245865 the "repository definitions" concept and the related `RepositoryDefinitions` class are no longer used in Wikibase. [] Remove repository definitions from `DataAccessSnakFormatterOutputFormatTest`: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/574091183 [x] Remove repository definitions from `UsageTrackingIntegrationTest`: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/574185 [] Remove `WikibaseClient::getRepositoryDefinitions`: [] https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/574186 [] https://gerrit.wikimedia.org/r/#/c/mediawiki/extensions/ArticlePlaceholder/+/574241 [] Remove repository definitions from `WikibaseRepo`: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/574091 [] Remove `RepositoryDefinitions` class: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/574187