improve rendering of map in the sidebar

app/assets/stylesheets/layout.scss

@@ -851,7 +851,6 @@ footer {
 .categories a,
 .geozone a,
 .sidebar-links a,
-.sidebar-map a,
 .tags span {
   background: #ececec;
   border-radius: rem-calc(6);

app/views/budgets/investments/_map.html.erb

@@ -1,7 +1,4 @@
-<div class="sidebar-divider"></div>
-<br>
-
-<ul id="sidebar-map" class="no-bullet sidebar-map">
+<ul class="no-bullet sidebar-map">
   <div class="map">
     <%= render_map(@map_location, "budgets", false, nil, @investments_map_coordinates) %>
   </div>