[css-color-4] remove lab from min precision predefined spaces table

svgeesus · svgeesus · commit 1d8bddd54c6e · 2021-05-12T20:44:31.000+03:00
diff --git a/css-color-4/Overview.bs b/css-color-4/Overview.bs
@@ -963,10 +963,6 @@ and there shall be no thousands separator.
 			<td>''xyz''</td>
 			<td>16</td>
 		</tr>
-		<tr>
-			<td>''lab''</td>
-			<td>16</td>
-		</tr>
 	</table>
 
 	(16bit, half-float, or float <em>per component</em>
