clean up dependencies (#168)

* clean up dependencies

`GLMakie` and `Distributions` are not used in the source code so they should not be dependencies.

* Update Project.toml

Project.toml

@@ -8,9 +8,7 @@ Artifacts = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
 Catlab = "134e5e36-593f-5add-ad60-77f754baafbe"
 CombinatorialSpaces = "b1c52339-7909-45ad-8b6a-6e388f7c67f2"
 DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
-Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
-GLMakie = "e9467ef8-e4e7-5192-8a1a-b1aee30e663a"
 GeometryBasics = "5c1252a2-5f33-56bf-86c9-59e7332b4326"
 JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
@@ -29,7 +27,6 @@ CombinatorialSpaces = "0.5, 0.6"
 DataStructures = "0.18.13"
 Distributions = "0.25"
 FileIO = "1.16"
-GLMakie = "0.8"
 GeometryBasics = "0.4.2"
 JLD2 = "0.4"
 JSON = "0.21"
@@ -44,9 +41,10 @@ julia = "1.9"
 
 [extras]
 AlgebraicPetri = "4f99eebe-17bf-4e98-b6a1-2c4f205a959b"
+Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 GeometryBasics = "5c1252a2-5f33-56bf-86c9-59e7332b4326"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["AlgebraicPetri", "Test", "Random", "GeometryBasics"]
+test = ["AlgebraicPetri", "Distributions", "Test", "Random", "GeometryBasics"]