[bugfix] re-enable tests for TestInterwikidataBot.test_without_repo
[bugfix] re-enable tests for TestInterwikidataBot.test_without_repo

Phase 1 of Wiktionary has launched in wikidata since 20th June.
Now Wiktionary pages can be linked with every item for all the Wiktionaries
namespaces (except main, citations, user and talk)

Use wikitech for the tests instead.

Bug: T169480
Change-Id: Idc7b2b6b9ff8a3c181550c6d580c4d4bdd3f2a3f

PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,npdoty/pywikibot,happy5214/pywikibot-core,hasteur/g13bot_tools_new,wikimedia/pywikibot-core,happy5214/pywikibot-core,npdoty/pywikibot,magul/pywikibot-core,hasteur/g13bot_tools_new,hasteur/g13bot_tools_new,magul/pywikibot-core