got rid of 'accept' dir in the tests

tests/accept/run/tmultim2.nim

@@ -1,36 +0,0 @@
-discard """
-  file: "tmultim2.nim"
-  output: "collide: unit, thing collide: unit, thing collide: thing, unit"
-"""
-# Test multi methods
-
-type
-  TThing = object
-  TUnit = object of TThing
-    x: int
-  TParticle = object of TThing
-    a, b: int
-    
-method collide(a, b: TThing) {.inline.} =
-  quit "to override!"
-  
-method collide(a: TThing, b: TUnit) {.inline.} =
-  write stdout, "collide: thing, unit "
-
-method collide(a: TUnit, b: TThing) {.inline.} =
-  write stdout, "collide: unit, thing "
-
-proc test(a, b: TThing) {.inline.} =
-  collide(a, b)
-
-var
-  a: TThing
-  b, c: TUnit
-collide(b, c) # ambiguous (unit, thing) or (thing, unit)? -> prefer unit, thing!
-test(b, c)
-collide(a, b)
-#OUT collide: unit, thing collide: unit, thing collide: thing, unit
-
-
-
-