Remove vertex wind animation.

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/LayeredLit/TerrainUI.cs

             {
                 BaseMaterialPropertiesGUI();
                 EditorGUILayout.Space();
-
-                VertexAnimationPropertiesGUI();
-                EditorGUILayout.Space();
             }
             if (EditorGUI.EndChangeCheck())
             {

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/Lit/BaseLitUI.cs

             tessellationBackFaceCullEpsilon = FindProperty(kTessellationBackFaceCullEpsilon, props, false);
 
             // Wind
-            windEnable = FindProperty(kWindEnabled, props);
-            windInitialBend = FindProperty(kWindInitialBend, props);
-            windStiffness = FindProperty(kWindStiffness, props);
-            windDrag = FindProperty(kWindDrag, props);
-            windShiverDrag = FindProperty(kWindShiverDrag, props);
-            windShiverDirectionality = FindProperty(kWindShiverDirectionality, props);
+            windEnable = FindProperty(kWindEnabled, props, false);
+            windInitialBend = FindProperty(kWindInitialBend, props, false);
+            windStiffness = FindProperty(kWindStiffness, props, false);
+            windDrag = FindProperty(kWindDrag, props, false);
+            windShiverDrag = FindProperty(kWindShiverDrag, props, false);
+            windShiverDirectionality = FindProperty(kWindShiverDirectionality, props, false);
 
             // Decal
             supportDBuffer = FindProperty(kSupportDBuffer, props);
 
         protected override void VertexAnimationPropertiesGUI()
         {
+            if (windEnable == null)
+                return;
+
             EditorGUILayout.LabelField(StylesBaseLit.vertexAnimation, EditorStyles.boldLabel);
 
             EditorGUI.indentLevel++;
             CoreUtils.SetKeyword(material, "_PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE", displacementLockObjectScale && enablePixelDisplacement);
             CoreUtils.SetKeyword(material, "_DISPLACEMENT_LOCK_TILING_SCALE", displacementLockTilingScale && enableDisplacement);
 
-            bool windEnabled = material.GetFloat(kWindEnabled) > 0.0f;
+            bool windEnabled = material.HasProperty(kWindEnabled) && material.GetFloat(kWindEnabled) > 0.0f;
             CoreUtils.SetKeyword(material, "_VERTEX_WIND", windEnabled);
 
             // Depth offset is only enabled if per pixel displacement is

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/LayeredLit/Terrain.shader

         _TexWorldScaleEmissive("Scale to apply on world coordinate", Float) = 1.0
         [HideInInspector] _UVMappingMaskEmissive("_UVMappingMaskEmissive", Color) = (1, 0, 0, 0)
 
-        // Wind
-        [ToggleUI]  _EnableWind("Enable Wind", Float) = 0.0
-        _InitialBend("Initial Bend", float) = 1.0
-        _Stiffness("Stiffness", float) = 1.0
-        _Drag("Drag", float) = 1.0
-        _ShiverDrag("Shiver Drag", float) = 0.2
-        _ShiverDirectionality("Shiver Directionality", Range(0.0, 1.0)) = 0.5
-
         // Caution: C# code in BaseLitUI.cs call LightmapEmissionFlagsProperty() which assume that there is an existing "_EmissionColor"
         // value that exist to identify if the GI emission need to be enabled.
         // In our case we don't use such a mechanism but need to keep the code quiet. We declare the value and always enable it.
     //-------------------------------------------------------------------------------------
 
     #include "CoreRP/ShaderLibrary/Common.hlsl"
-    #include "CoreRP/ShaderLibrary/Wind.hlsl"
     #include "../../ShaderPass/FragInputs.hlsl"
     #include "../../ShaderPass/ShaderPass.cs.hlsl"