Potential fix for code scanning alert no. 3730: Unused variable, import, function or class

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examples/jsm/utils/GenerateSDFMaterial.js

@@ -1,4 +1,4 @@
-import { ShaderMaterial, Vector3 } from 'three';
+import { ShaderMaterial } from 'three';
 
 export class GenerateSDFMaterial extends ShaderMaterial {