Remove www from open graph images (#884)

* Remove www from open graph images

* Lint

public/index.html

@@ -36,12 +36,12 @@
     <meta
       property="og:image"
       name="twitter:image"
-      content="http://www.excalidraw.com/og-image.png"
+      content="https://excalidraw.com/og-image.png"
     />
     <meta
       property="og:image:secure_url"
       name="twitter:image"
-      content="https://www.excalidraw.com/og-image.png"
+      content="https://excalidraw.com/og-image.png"
     />
     <meta property="og:image:width" content="1280" />
     <meta property="og:image:height" content="669" />
@@ -60,10 +60,7 @@
       content="Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them."
     />
     <!-- OG tags require absolute url for images -->
-    <meta
-      name="twitter:image"
-      content="https://www.excalidraw.com/og-image.png"
-    />
+    <meta name="twitter:image" content="https://excalidraw.com/og-image.png" />
 
     <link rel="shortcut icon" href="favicon.ico" type="image/x-icon" />
     <link rel="stylesheet" href="fonts.css" />