Removed [Enum(UnityEditor.Rendering.HighDefinition.TransparentCullMode)] in the shaders. (#306)

Author: H3idi-X

com.unity.toonshader/Runtime/Integrated/Shaders/UnityToon.shader

@@ -403,7 +403,7 @@ Shader "Toon" {
         [HideInInspector][ToggleUI] _TransparentZWrite("_TransparentZWrite", Float) = 0.0
         [HideInInspector] _CullMode("__cullmode", Float) = 2.0
         [HideInInspector] _CullModeForward("__cullmodeForward", Float) = 2.0 // This mode is dedicated to Forward to correctly handle backface then front face rendering thin transparent
-        [Enum(UnityEditor.Rendering.HighDefinition.TransparentCullMode)] _TransparentCullMode("_TransparentCullMode", Int) = 2 // Back culling by default
+        [HideInInspector] _TransparentCullMode("_TransparentCullMode", Int) = 2 // Back culling by default
         [HideInInspector] _ZTestDepthEqualForOpaque("_ZTestDepthEqualForOpaque", Int) = 4 // Less equal
         [HideInInspector] _ZTestModeDistortion("_ZTestModeDistortion", Int) = 8
         [HideInInspector] _ZTestGBuffer("_ZTestGBuffer", Int) = 4

com.unity.toonshader/Runtime/Integrated/Shaders/UnityToonTessellation.shader

@@ -404,7 +404,7 @@ Shader "Toon(Tessellation)" {
         [HideInInspector][ToggleUI] _TransparentZWrite("_TransparentZWrite", Float) = 0.0
         [HideInInspector] _CullMode("__cullmode", Float) = 2.0
         [HideInInspector] _CullModeForward("__cullmodeForward", Float) = 2.0 // This mode is dedicated to Forward to correctly handle backface then front face rendering thin transparent
-        [Enum(UnityEditor.Rendering.HighDefinition.TransparentCullMode)] _TransparentCullMode("_TransparentCullMode", Int) = 2 // Back culling by default
+        [HideInInspector] _TransparentCullMode("_TransparentCullMode", Int) = 2 // Back culling by default
         [HideInInspector] _ZTestDepthEqualForOpaque("_ZTestDepthEqualForOpaque", Int) = 4 // Less equal
         [HideInInspector] _ZTestModeDistortion("_ZTestModeDistortion", Int) = 8
         [HideInInspector] _ZTestGBuffer("_ZTestGBuffer", Int) = 4