GUAC-1406: Generalize header formatting into own stylesheet.

guacamole/src/main/webapp/app/home/styles/home.css

@@ -53,18 +53,3 @@ div.recent-connections div.connection {
     max-width: 75%;
     overflow: hidden;
 }
-
-.connection-list-ui .header .filter {
-    margin: 0;
-    padding: 0.75em 0.5em;
-}
-
-.connection-list-ui .header .filter input {
-    -moz-border-radius: 0;
-    -webkit-border-radius: 0;
-    -khtml-border-radius: 0;
-    border-radius: 0;
-    border: none;
-    border-left: 1px solid rgba(0, 0, 0, 0.125);
-    background-color: transparent;
-}