Fix fallback fonts for buttons

Removed the narrowly scoped font-family definition on the button elements. Now buttons inherit the site wide font-family specification, which include the appropriate fallbacks.

src/views/annual-report/annual-report.scss

@@ -2240,7 +2240,6 @@ p {
         border-radius: 6px;
         margin: 48px 0 28px 0;
 
-        font-family: "Helvetica Neue";
         font-size: 24px;
         font-weight: bold;
 
@@ -2644,7 +2643,6 @@ p {
         margin: 0px;
         border-radius: 6px;
 
-        font-family: "Helvetica Neue";
         font-size: 24px;
         font-weight: bold;
         letter-spacing: 0;