[AutoDiff] Remove CotangentVector, after deprecation.

`CotangentVector` was deprecated in swiftlang#24825 and the deprecation was released as part of Swift for TensorFlow v0.4. Now it's time to remove it.
rxwei · Aug 25, 2019 · 2df9c1b · 2df9c1b
1 parent 5e12ce4
commit 2df9c1b
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/stdlib/public/core/AutoDiff.swift b/stdlib/public/core/AutoDiff.swift
@@ -162,10 +162,6 @@ public protocol Differentiable {
   @available(*, deprecated,
              message: "'AllDifferentiableVariables' is now equal to 'Self' and will be removed")
   typealias AllDifferentiableVariables = Self
-
-  @available(*, deprecated,
-             message: "'CotangentVector' is now equal to 'TangentVector' and will be removed")
-  typealias CotangentVector = TangentVector
 }
 
 public extension Differentiable {