got rid of 'accept' dir in the tests

tests/accept/run/tstringinterp.nim

@@ -1,72 +0,0 @@
-discard """
-  file: "tstringinterp.nim"
-  output: "Hello Alice, 64 | Hello Bob, 10$"
-"""
-
-import macros, parseutils, strutils
-
-proc concat(strings: openarray[string]): string =
-  result = newString(0)
-  for s in items(strings): result.add(s)
-
-template ProcessInterpolations(e: expr) =
-  var s = e[1].strVal
-  for f in interpolatedFragments(s):
-    case f.kind
-    of ikStr:         addString(f.value)
-    of ikDollar:      addDollar()
-    of ikVar, ikExpr: addExpr(newCall("$", parseExpr(f.value)))
-
-macro formatStyleInterpolation(e: expr): expr =
-  var 
-    formatString = ""
-    arrayNode = newNimNode(nnkBracket)
-    idx = 1
-
-  proc addString(s: string) =
-    formatString.add(s)
-
-  proc addExpr(e: expr) =
-    arrayNode.add(e)
-    formatString.add("$" & $(idx))
-    inc idx
-
-  proc addDollar() =
-    formatString.add("$$")
-    
-  ProcessInterpolations(e)
-
-  result = parseExpr("\"x\" % [y]")
-  result[1].strVal = formatString
-  result[2] = arrayNode
-
-macro concatStyleInterpolation(e: expr): expr =
-  var args: seq[PNimrodNode]
-  newSeq(args, 0)
-
-  proc addString(s: string)  = args.add(newStrLitNode(s))
-  proc addExpr(e: expr)      = args.add(e)
-  proc addDollar()           = args.add(newStrLitNode"$")
-
-  ProcessInterpolations(e)
-
-  result = newCall("concat", args)
-
-###
-
-proc sum(a, b, c: int): int =
-  return (a + b + c)
-
-var 
-  alice = "Alice"
-  bob = "Bob"
-  a = 10
-  b = 20
-  c = 34
-
-var
-  s1 = concatStyleInterpolation"Hello ${alice}, ${sum(a, b, c)}"
-  s2 = formatStyleInterpolation"Hello ${bob}, ${sum(alice.len, bob.len, 2)}$$"
-
-write(stdout, s1 & " | " & s2)
-