Shoreditch: Remove box shadow from image link

shoreditch/style.css

@@ -1071,6 +1071,7 @@ a:hover {
 
 .comment-content a.no-shadow,
 .entry-content a.no-shadow,
+.entry-content .wp-block-image a,
 .entry-summary a.no-shadow {
 	box-shadow: none;
 }