Update index.html

Fix

Author: Gmac4247

index.html

@@ -112,7 +112,6 @@
 				</div>
 </div>
 <div itemscope itemtype="https://schema.org/WebPage" id="home">
-<meta itemprop="@id" content="https://basic-geometry.github.io#home">
 <meta itemprop="name" content="Home of Basic Geometry">
 <meta itemprop="accessMode" content="mathOnVisual">
 <meta itemprop="accessibilityControl" content="fullKeyboardControl">