Fix cheat-sheet footer

See #1855

This transports the fix to the gh pages.

Authored-by: @sliva0
Signed-off-by: Fini Jastrow <[email protected]>

Author: Finii

_posts/2017-01-04-icon-cheat-sheet.md

@@ -12906,7 +12906,7 @@ const glyphs = {
 <h5 align="center">With Release <code>v3.0.0</code> the Material Design Icons were updated and moved to a new codepoint range (reasons for that are in the <a href="releases#v3.0.0">release notes</a>).</h5>
 <h5 align="center">They are still shown here for reference, but are missing in the actual fonts.</h5>
 <h5 align="center">To find for example the replacement for <code>nf-mdi-altimeter</code> enter just <code>altimeter</code> in the search box.</h5>
-+<h5 align="center">Some icons have been dropped without replacement.</h5>
+<h5 align="center">Some icons have been dropped without replacement.</h5>
 <br>
 
 <h3>Example Usages</h3>