Remove unused tags search CSS

no issue
- delete old/unused CSS that was used for an old tag component

core/client/app/styles/layouts/tags.css

@@ -2,69 +2,6 @@
 /* ---------------------------------------------------------- */
 
 
-/* Search
-/* ---------------------------------------------------------- */
-
-.tags-search {
-    position: relative;
-    display: inline-block;
-    margin-left: 7px;
-}
-
-.tags-search .btn {
-    position: relative;
-    padding-right: 10px;
-    padding-left: 10px;
-    transition: padding 0.3s ease-in-out;
-}
-
-.tags-search .btn.active {
-    box-shadow: none;
-}
-
-.tags-search .btn .icon-search:before {
-    font-size: 1.3rem;
-}
-
-.tags-search .tags-search-input {
-    position: absolute;
-    top: 1px;
-    left: 1px;
-    margin: 0;
-    padding: 7px 10px;
-    width: 0;
-    border: 0;
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
-    opacity: 0;
-    transition: all 0.3s ease-in-out;
-    pointer-events: none;
-}
-
-@media (max-width: 400px) {
-    .tags-search.opened .btn {
-        padding-left: 120px;
-    }
-    .tags-search.opened .tags-search-input {
-        width: 110px;
-    }
-}
-
-@media (min-width: 401px) {
-    .tags-search.opened .btn {
-        padding-left: 140px;
-    }
-    .tags-search.opened .tags-search-input {
-        width: 130px;
-    }
-}
-
-.tags-search.opened .tags-search-input {
-    opacity: 1;
-    pointer-events: auto;
-}
-
-
 /* Tag
 /* ---------------------------------------------------------- */