removed faulty test

Author: joshhwuu

inst/tests/tests.Rraw

@@ -18641,5 +18641,3 @@ test(2264.7, DT[, L := list(NULL)], DT1[, `:=`(L = list(NULL))])
 DT = data.table(L = list("B", "C"), i = 1L)
 DT1 = data.table(L = list("B", "C"), i = 1L)
 test(2264.8, DT[, `:=`(L = list(NULL))], DT1[, let(L = list(NULL))])
-DT = data.table(L = list("B", "C"), i = 1L)
-test(2264.9, DT[])