Issue #2226621 by JeroenT, ianthomas_uk, lokapujya, pjonckiere, marcingy,...

Issue #2226621 by JeroenT, ianthomas_uk, lokapujya, pjonckiere, marcingy, LinL, Xano, rpayanm, piyuesh23: Remove usage of element_info(), element_child() and element_children(). Deprecate element_info_property()