Examples: Clean up.

examples/misc_exporter_gltf.html

@@ -20,7 +20,6 @@
 			<label><input id="option_visible" name="visible" type="checkbox" checked="checked"/>Only Visible</label>
 			<label><input id="option_drawrange" name="visible" type="checkbox" checked="checked"/>Truncate drawRange</label><br/>
 			<label><input id="option_binary" name="visible" type="checkbox">Binary (<code>.glb</code>)</label>
-			<label><input id="option_forcepot" name="visible" type="checkbox">Force POT textures</label>
 			<label><input id="option_maxsize" name="maxSize" type="number" value="4096" min="2" max="8192" step="1"> Max texture size</label>
 		</div>
 
@@ -40,7 +39,6 @@
 					onlyVisible: document.getElementById( 'option_visible' ).checked,
 					truncateDrawRange: document.getElementById( 'option_drawrange' ).checked,
 					binary: document.getElementById( 'option_binary' ).checked,
-					forcePowerOfTwoTextures: document.getElementById( 'option_forcepot' ).checked,
 					maxTextureSize: Number( document.getElementById( 'option_maxsize' ).value ) || Infinity // To prevent NaN value
 				};
 				gltfExporter.parse( input, function ( result ) {