Remove index.html from offscreen-rendering tutorial. It is not used. Update offscreen-rendering.md to reflect changes to fiddle.  | 
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|---|---|---|
| .. | ||
| main.js | ||
				Remove index.html from offscreen-rendering tutorial. It is not used. Update offscreen-rendering.md to reflect changes to fiddle.  | 
			||
|---|---|---|
| .. | ||
| main.js | ||