[wpimath] Remove unused #includes (#8549)

This is based on a filtered list of #includes clangd reported were
unused.

wpimath/src/main/native/include/wpi/math/system/NumericalJacobian.hpp

@@ -40,7 +40,6 @@ auto NumericalJacobian(F&& f, const Vectord<Cols>& x) {
  * @param f     Vector-valued function from which to compute Jacobian.
  * @param x     Vector argument.
  */
-
 template <typename F>
 Eigen::MatrixXd NumericalJacobian(F&& f, const Eigen::VectorXd& x) {
   constexpr double kEpsilon = 1e-5;