Wiki styles clean-up.

services/web/public/stylesheets/app/wiki.less

@@ -41,11 +41,6 @@
 	.example {
 		max-width: 100%;
 
-		& > div {
-			display: block !important;
-			width: auto !important;
-		}
-
 		.code {
 			pre {
 				background-color: @gray-lightest;
@@ -60,9 +55,9 @@
 			padding-top: 10px;
 			
 			img {
-				width: auto !important;
-				height: auto !important;
-				max-width: 100% !important;
+				width: auto;
+				height: auto;
+				max-width: 100%;
 				box-shadow: 0 1px 3px @gray-light;
 				border-radius: 6px;
 			}