concarneau: user OpenSans-Bold font for site title instead of Gotham-Bold (#30597)

This reverts commit 5833b15085.

static/concarneau/_custom.scss

@@ -1,10 +1,5 @@
 @import '../../publik-base-theme/static/includes/font-opensans';
 
-@font-face {
-	font-family: 'Gotham-Bold';
-	src: url('assets/fonts/gotham-bold.woff') format('woff');
-}
-
 body {
     background-color: #ece4e0;
 
@@ -38,9 +33,10 @@ body {
                                 width: 100%;
                                 max-width: 220px;
                                 text-transform: uppercase;
-                                font-family: Gotham-Bold,Arial,sans-serif;
-                                font-size: 30px;;
-                                line-height: 1.2em;
+                                font-family: OpenSans-Bold,Arial,sans-serif;
+                                font-size: 30px;
+								line-height: 1.1em;
+
                                 a {
                                     color: $secondary-color;
                                 }