GUAC-1138: Move filtering logic into own directive.

guacamole/src/main/webapp/app/manage/styles/sessions.css

@@ -76,18 +76,3 @@
 .manage table.session-list th.sort-primary.sort-descending:after {
     background-image: url('images/arrows/up.png');
 }
-
-.manage .sessions .filter {
-    margin: 0.5em 0;
-}
-
-.manage .sessions .filter-string {
-    background-image: url('images/magnifier.png');
-    background-repeat: no-repeat;
-    background-size: 1.75em;
-    background-position: 0.25em center;
-    padding: 0.5em;
-    padding-left: 2.25em;
-    width: 100%;
-    max-width: none;
-}