Deprecate some DGMultiMesh constructors (#1709)

* remove previously deprecated functions

* fix typo in NEWS.md about deprecation vs removal

* fix literate tutorial

* removing other deprecation

* format

* Revert "fix typo in NEWS.md about deprecation vs removal"

This reverts commit 6b03020.

docs/literate/src/files/DGMulti_1.jl

@@ -168,7 +168,7 @@ meshIO = StartUpDG.triangulate_domain(StartUpDG.RectangularDomainWithHole());
 
 # The pre-defined Triangulate geometry in StartUpDG has integer boundary tags. With [`DGMultiMesh`](@ref)
 # we assign boundary faces based on these integer boundary tags and create a mesh compatible with Trixi.jl.
-mesh = DGMultiMesh(meshIO, dg, Dict(:outer_boundary=>1, :inner_boundary=>2))
+mesh = DGMultiMesh(dg, meshIO, Dict(:outer_boundary=>1, :inner_boundary=>2))
 #-
 boundary_condition_convergence_test = BoundaryConditionDirichlet(initial_condition)
 boundary_conditions = (; :outer_boundary => boundary_condition_convergence_test,

src/solvers/dgmulti/types.jl

@@ -433,15 +433,3 @@ function LinearAlgebra.mul!(b_in, A_kronecker::SimpleKronecker{3}, x_in)
     return nothing
 end
 end # @muladd
-
-# TODO: deprecations introduced in Trixi.jl v0.6
-@deprecate DGMultiMesh(dg::DGMulti{NDIMS}; cells_per_dimension, kwargs...) where {NDIMS} DGMultiMesh(dg,
-                                                                                                     cells_per_dimension;
-                                                                                                     kwargs...)
-
-# TODO: deprecations introduced in Trixi.jl v0.5
-@deprecate DGMultiMesh(vertex_coordinates, EToV, dg::DGMulti{NDIMS};
-                       kwargs...) where {NDIMS} DGMultiMesh(dg, vertex_coordinates, EToV;
-                                                            kwargs...)
-@deprecate DGMultiMesh(triangulateIO, dg::DGMulti{2, Tri}, boundary_dict::Dict{Symbol, Int};
-                       kwargs...) DGMultiMesh(dg, triangulateIO, boundary_dict; kwargs...)