got rid of 'accept' dir in the tests

tests/accept/compile/tvoid.nim

@@ -1,33 +0,0 @@
-discard """
-  output: "he, no return type;abc a string"
-"""
-
-proc ReturnT[T](x: T): T =
-  when T is void:
-    echo "he, no return type;"
-  else:
-    result = x & " a string"
-
-proc nothing(x, y: void): void =
-  echo "ha"
-
-proc callProc[T](p: proc (x: T), x: T) =
-  when T is void: 
-    p()
-  else:
-    p(x)
-
-proc intProc(x: int) =
-  echo x
-  
-proc emptyProc() =
-  echo "empty"
-
-callProc[int](intProc, 12)
-callProc[void](emptyProc)
-
-
-ReturnT[void]()
-echo ReturnT[string]("abc")
-nothing()
-