Merge pull request #3194 from stan-dev/bugfix/includes

bugfix: removing includes to files in the test directory

Author: syclik

stan/math/mix/functor/laplace_marginal_density.hpp

@@ -2,7 +2,6 @@
 #define STAN_MATH_MIX_FUNCTOR_LAPLACE_MARGINAL_DENSITY_HPP
 #include <stan/math/prim/fun/Eigen.hpp>
 #include <stan/math/mix/functor/laplace_likelihood.hpp>
-#include <test/unit/pretty_print_types.hpp>
 #include <stan/math/rev/meta.hpp>
 #include <stan/math/rev/core.hpp>
 #include <stan/math/rev/fun.hpp>

stan/math/prim/fun/promote_scalar.hpp

@@ -3,7 +3,6 @@
 
 #include <stan/math/prim/fun/Eigen.hpp>
 #include <stan/math/prim/functor/apply.hpp>
-#include <test/unit/pretty_print_types.hpp>
 #include <stan/math/prim/meta.hpp>
 #include <vector>
 #include <tuple>