remove test that got transfered to SciMLBase

Author: TorkelE

test/runtests.jl

@@ -44,7 +44,6 @@ end
             @safetestset "JumpSystem Test" include("jumpsystem.jl")
             @safetestset "Constraints Test" include("constraints.jl")
             @safetestset "SciML Problem Input Test" include("sciml_problem_inputs.jl")
-            @safetestset "Structure Interfacing Test" include("sciml_struct_interfacing.jl")
             @safetestset "Reduction Test" include("reduction.jl")
             @safetestset "Split Parameters Test" include("split_parameters.jl")
             @safetestset "StaticArrays Test" include("static_arrays.jl")