Important Changes

Database

SCR-1595

Summary: Drop unused table "jsonCache"

Drop unused table "jsonCache" as well as referenced entries in "updatetask" table:

• "com.openexchange.json.cache.impl.osgi.JsonCacheEnsureLatin1AsDefault"
• "com.openexchange.json.cache.impl.osgi.JsonCacheAddOtherFieldsTask"
• "com.openexchange.json.cache.impl.osgi.JsonCacheMediumTextTask"
• "com.openexchange.json.cache.impl.osgi.JsonCacheAddInProgressFieldTask"
• "com.openexchange.json.cache.impl.osgi.JsonCacheCreateTableTask"