[Docs] Remove dir kwarg from Index docstrings (#1630)

Author: mtfishman

Project.toml

@@ -1,7 +1,7 @@
 name = "ITensors"
 uuid = "9136182c-28ba-11e9-034c-db9fb085ebd5"
 authors = ["Matthew Fishman <[email protected]>", "Miles Stoudenmire <[email protected]>"]
-version = "0.8.3"
+version = "0.8.4"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"

src/index.jl

@@ -127,7 +127,7 @@ Create a copy of index `i` with identical `id`, `space`, `dir` and `tags`.
 copy(i::Index) = Index(id(i), copy(space(i)), dir(i), tags(i), plev(i))
 
 """
-    sim(i::Index; tags = tags(i), plev = plev(i), dir = dir(i))
+    sim(i::Index; tags = tags(i), plev = plev(i))
 
 Produces an `Index` with the same properties (dimension or QN structure)
 but with a new `id`.

src/qn/qnindex.jl

@@ -114,17 +114,11 @@ function QuantumNumbers.have_same_mods(qnblocks::QNBlocks)
 end
 
 """
-    Index(qnblocks::Vector{Pair{QN, Int64}}; dir::Arrow = Out,
-                                             tags = "",
-                                             plev::Integer = 0)
+    Index(qnblocks::Vector{Pair{QN, Int64}}; tags = "", plev::Integer = 0)
 
 Construct a QN Index from a Vector of pairs of QN and block
 dimensions.
 
-Note: in the future, this may enforce that all blocks have the
-same QNs (which would allow for some optimizations, for example
-when constructing random QN ITensors).
-
 # Example
 
 ```