refactor: remove metadata css

scenarios/xslt/edxml2html/css/styles.css

@@ -15,30 +15,6 @@
 }
 
 
-/*::::::::::::::::::::::::::::::::::{ METADATA }::::::::::::::::::::::::::::::::*/
-.bibl {
-    cursor: pointer;
-    display: inline-block;
-}
-
-.bibl-long {
-    border: solid 1px var(--theme-color);
-    border-radius: 3px;
-    display: none;
-    font-size: small;
-    max-width: fit-content;
-    padding: 5px;
-    word-wrap: break-word;
-}
-
-.bibl + input[type=checkbox] {
-    display: none;
-}
-
-.bibl + input[type=checkbox]:checked ~ .bibl-long {
-    display: block;
-}
-
 /*::::::::::::::::::::::::::::::::::{ EDXML: ANCHORS & LINKS }::::::::::::::::::::::::::::::::*/
 .column-anchor,
 .anchor {