learn page: remove 'Read the book!'

Author: jvns

assets/sass/layout.scss

@@ -140,16 +140,6 @@ aside {
     p {
       margin-bottom: 0;
     }
-
-    a.button {
-      padding: .5rem;
-      background: var(--orange);
-      color: white;
-      display: inline-block;
-      margin-top: .5rem;
-      border-radius: .5rem;
-    }
-
   }
 
   img {

content/learn/_index.html

@@ -20,10 +20,6 @@ <h3> Pro Git Book </h3>
       Print copies are available on <a
         href="https://www.amazon.com/Pro-Git-Scott-Chacon/dp/1484200772?ie=UTF8&camp=1789&creative=9325&creativeASIN=1430218339&linkCode=as2&tag=git-sfconservancy-20">Amazon.com</a>.
     </p>
-
-    <p>
-      <a class="button" href="{{< relurl "book">}}">Read the book! </a>
-    </p>
   </div>
 
   <div class="callout icon video">