Get rid of Compat.jl

See https://discourse.julialang.org/t/is-compat-jl-worth-it-for-the-public-keyword/119041/34

Project.toml

@@ -7,7 +7,6 @@ version = "1.25.1"
 BandedMatrices = "aae01518-5342-5314-be14-df237901396f"
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
 CommonSolve = "38540f10-b2f7-11e9-35d8-d573e4eb0ff2"
-Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
 DiffResults = "163ba53b-c6d8-5494-b064-1a9d43ac40c5"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 ExtendableGrids = "cfc395e8-590f-11e8-1f13-43a2532b2fa8"
@@ -33,7 +32,6 @@ Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 BandedMatrices = "0.17,1"
 Colors = "0.12"
 CommonSolve = "0.2"
-Compat = "4.10"
 DiffResults = "1"
 DocStringExtensions = "0.8,0.9"
 ExtendableGrids = "1.9.2"

src/VoronoiFVM.jl

@@ -54,8 +54,6 @@ using SparseDiffTools: SparseDiffTools, forwarddiff_color_jacobian!,
 using StaticArrays: StaticArrays, @MVector, @SArray, @SMatrix
 using Statistics: Statistics, mean
 using Symbolics: Symbolics
-using Compat: @compat
-
 
 
 """
@@ -66,11 +64,17 @@ Abstract type for geometry items (node,bnode,edge, bedge)
 abstract type AbstractGeometryItem{Tc <: Number, Tp <: Number, Ti <: Integer} end
 export AbstractGeometryItem
 
+"""
+   $(TYPEDEF)
+
+Abstract type for stationary solution
+"""
 abstract type AbstractSolutionArray{T,N} <: AbstractArray{T,N} end
 export AbstractSolutionArray
 
 include("vfvm_physics.jl")
-@compat public Physics
+# see https://discourse.julialang.org/t/is-compat-jl-worth-it-for-the-public-keyword/119041/34
+VERSION >= v"1.11.0-DEV.469" && eval(Meta.parse("public Physics"))
 
 include("vfvm_functions.jl")
 export fbernoulli
@@ -123,8 +127,7 @@ export edgelength
 export viewK, viewL, data
 export hasoutflownode, isoutflownode, outflownode
 
-
-@compat public System, AbstractSystem, SystemState
+VERSION >= v"1.11.0-DEV.469" && eval(Meta.parse("public System, AbstractSystem, SystemState"))
 
 # export to be deprecated
 export partitioning, Equationwise