index: remove unused styles

css/bootswatch.css

@@ -57,10 +57,6 @@ body {
 	width: 16px;
 }
 
-.icon-envelope {
-	opacity: .65;
-}
-
 #ticker {
 	margin-bottom: 40px;
 }
@@ -109,19 +105,11 @@ body {
 	margin-bottom: 0;
 }
 
-.thumbnail .label {
-	vertical-align: top;
-}
-
 .thumbnail .btn-toolbar {
 	margin-top: 15px;
 	text-align: right;
 }
 
-.modal .label {
-	vertical-align: text-top;
-}
-
 .links {
 	margin-bottom: 20px;
 }