ABAP Query – clean some output entries

field-symbols: <g00> type table,
               <wa_g00> type any,
               <k1> type any,
               <ks> type any.
data: it_g00 type char100 value '%G00[]',
      lv_kna1land type string,
      lv_knasland type string.
assign (it_g00) to <g00>.
if <g00> is assigned.
 loop at <g00> assigning <wa_g00>.
    lv_kna1land = '<wa_g00>-kna1-land1'.
    lv_knasland = '<wa_g00>-knas-land1'.
    unassign: <k1>, <ks>.
    assign: (lv_kna1land) to <k1>,
            (lv_knasland) to <ks>.
  if <k1> is assigned.
    if <ks> is assigned.
      if <k1> eq <ks>.
        delete <g00>.
      endif.
    endif.
  endif.
 endloop.
endif.
" END-OF-SELECTION