Residual data cleanup re: #44 & #88

• http://openlibrary.org/works/OL3536507W/Hong_lou_meng
• https://openlibrary.org/works/OL16252229W/Kinder_des_weltalls
• http://openlibrary.org/works/OL15344034W/Handel_en_bestuur
• http://openlibrary.org/works/OL15344038W/L%27_economia_delle_citt%C3%A0
• http://openlibrary.org/works/OL15344035W/La_econom%C3%ADa_de_las_ciudades
• http://openlibrary.org/works/OL15344045W/Vita_e_morte_delle_grandi_grandi_citt%C3%A0
• http://openlibrary.org/works/OL15344041W/Muerte_y_vida_de_las_grandes_ciudades
• http://openlibrary.org/works/OL15344039W/Les_villes_et_la_richesse_des_nations
• http://openlibrary.org/works/OL15344043W/Stadt_im_Untergang

Scope of affected data: First Work Bot edit: October 5, 2009 ( https://openlibrary.org/people/WorkBot?page=111517 )
Any WorkBot edit (October 5, 2009 to January 21, 2012) with a description of merge works has potentially left a work without editions.