message: Modify doc in simplex_tree in order to match code
diff: @@ -487,9 +487,9 @@ cdef class SimplexTree:
  otherwise it is kept. The algorithm then proceeds with the next candidate.
  .. warning::
  - Several candidates of the same dimension may be inserted simultaneously before calling `block_simplex`, so
  - if you examine the complex in `block_simplex`, you may hit a few simplices of the same dimension that have
  - not been vetted by `block_simplex` yet, or have already been rejected but not yet removed.
  + Several candidates of the same dimension may be inserted simultaneously before calling `blocker_func`, so
  + if you examine the complex in `blocker_func`, you may hit a few simplices of the same dimension that have
  + not been vetted by `blocker_func` yet, or have already been rejected but not yet removed.
  :param max_dim: Expansion maximal dimension value.
  :type max_dim: int
  