message: Fix up some missed bits in the merge of build-llvm.py.
diff: @@ -58,15 +58,13 @@ def dirs_exist(names):
  return True
  def XCODE_REPOSITORIES():
  - names = ["llvm", "clang", "ninja"]
  + names = ["llvm", "clang", "swift", "cmark", "ninja"]
  if dirs_exist(names):
  return [fallback_repo(n) for n in names]
  override = repo.get_override()
  if override:
  return [process_repo(r) for r in override]
  identifier = repo.identifier()
  - if identifier == None:
  - return [fallback_repo(n) for n in ["llvm", "clang", "swift", "cmark", "ninja"]]
  set = repo.find(identifier)
  return [process_repo(r) for r in set]
  @@ -136,14 +134,6 @@ def with_devices_preset_suffix():
  else:
  return ""
  -def XCODE_REPOSITORIES():
  - identifier = repo.identifier()
  - if identifier == None:
  - identifier = "<invalid>" # repo.find will just use the fallback file
  - set = repo.find(identifier)
  - return [process_repo(r) for r in set]
  -
  -
  def BUILD_SCRIPT_FLAGS():
  return {
  "Debug": ["--preset=LLDB_Swift_ReleaseAssert" + with_devices_preset_suffix()],
  