got rid of 'accept' dir in the tests

tests/accept/run/tmoditer.nim

@@ -1,29 +0,0 @@
-discard """
-  output: "XXXXX01234"
-"""
-
-iterator modPairs(a: var array[0..4,string]): tuple[key: int, val: var string] =
-  for i in 0..a.high:
-    yield (i, a[i])
-
-iterator modItems*[T](a: var array[0..4,T]): var T =
-  for i in 0..a.high:
-    yield a[i]
-
-var
-  arr = ["a", "b", "c", "d", "e"]
-
-for a in modItems(arr):
-  a = "X"
-
-for a in items(arr):
-  stdout.write(a)
-
-for i, a in modPairs(arr):
-  a = $i
-
-for a in items(arr):
-  stdout.write(a)
-
-echo ""
-