Merge pull request swiftlang#37234 from slavapestov/fix-differentiation-warnings

Differentiation: Remove redundant conformance requirements

Author: slavapestov

stdlib/public/Differentiation/SIMDDifferentiation.swift.gyb

@@ -160,7 +160,6 @@ where
 extension SIMD
 where
   Self: Differentiable,
-  TangentVector: SIMD,
   Scalar: BinaryFloatingPoint,
   Self.TangentVector == Self
 {
@@ -313,7 +312,6 @@ where
 extension SIMD
 where
   Self: Differentiable,
-  TangentVector: SIMD,
   Scalar: BinaryFloatingPoint & Differentiable,
   Self.TangentVector == Self,
   Scalar.TangentVector == Scalar
@@ -439,7 +437,6 @@ where
 extension SIMD
 where
   Self: Differentiable,
-  Self.TangentVector: SIMD,
   Scalar: BinaryFloatingPoint & Differentiable,
   Self.TangentVector == Self,
   Scalar.TangentVector == Scalar