\starttext

    \enabletrackers[fonts.stripping]

    \definefontfeature[default][default][mode=node,formatters=strip]

    \setupbodyfont[palatino,11pt]

    test\zwnj test\zwnj test
    test\char"200C test\char"200D test
    test\utfchar{"200C}test\utfchar{"200D}test

\stoptext
