cleanup, removed comment

src/mol-model/structure/structure/symmetry.ts

@@ -56,7 +56,7 @@ namespace StructureSymmetry {
             const models = structure.models;
             if (models.length !== 1) throw new Error('Can only build symmetry assemblies from structures based on 1 model.');
 
-            const modelCenter = Vec3() // Model.getCenter(models[0])
+            const modelCenter = Vec3()
             const assembler = Structure.Builder({ label: structure.label });
 
             const queryCtx = new QueryContext(structure);