Examples: Remove deprecated property of `webgpu_shadertoy`

examples/webgpu_shadertoy.html

@@ -192,7 +192,6 @@
 
 					const encoder = new TSLEncoder();
 					encoder.iife = iife;
-					encoder.uniqueNames = true;
 
 					const jsCode = new Transpiler( decoder, encoder ).parse( glsl );