pedagogy: remove fira font to reduce downloaded content for user

core/static/core/style.scss

@@ -1683,8 +1683,6 @@ $pedagogy-light-blue: #caf0ff;
 $pedagogy-white-text: #f0f0f0;
 
 .pedagogy {
-    font-family: "Fira Sans";
-
     &.star-not-checked {
       color : #f7f7f7;
       margin-bottom: 0px;