style: another layout fix for new covidcast

Author: sgratzl

themes/delphi/assets/css/pages/_covidcast.scss

@@ -6,8 +6,8 @@
   display: flex;
   flex-direction: column;
   min-height: 100vh;
-}
 
-.covidcast_wrapper:not(.covidcast_wrapper_footer) > footer {
-  display: none;
+  > footer {
+    display: none;
+  }
 }

themes/delphi/layouts/_default/covidcast_app.html

@@ -6,7 +6,7 @@
   <script src="{{ (partial "covidcast/find-file.html" "bundle.*\\.js$")| relURL }}"></script>
 {{ end }}
 {{ define "breadcrumb" }}<!-- no breadcrumb -->{{ end }}
-{{ define "body_class" }}covidcast_wrapper {{ if ne .Params.footer false }}covidcast_wrapper_footer{{ end }}{{ end }}
+{{ define "body_class" }}{{ if eq .Params.footer false }}covidcast_wrapper{{ end }}{{ end }}
 {{ define "main" }}
   <div id="vizbox">
     <div class="ie-banner" style="display: none">