Roslyn instead UnityCodeGen

Packages/manifest.json

@@ -2,7 +2,6 @@
   "dependencies": {
     "com.annulusgames.alchemy": "https://github.com/annulusgames/Alchemy.git?path=/Alchemy/Assets/Alchemy",
     "com.annulusgames.lit-motion": "https://github.com/annulusgames/LitMotion.git?path=src/LitMotion/Assets/LitMotion",
-    "com.annulusgames.unity-codegen": "https://github.com/AnnulusGames/UnityCodeGen.git?path=/Assets/UnityCodeGen",
     "com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask#2.5.11",
     "com.github-glitchenzo.nugetforunity": "https://github.com/GlitchEnzo/NuGetForUnity.git?path=/src/NuGetForUnity",
     "com.gustavopsantos.reflex": "https://github.com/gustavopsantos/reflex.git?path=/Assets/Reflex/#14.3.1",