Remove lowercase edX in all caps

lms/static/sass/_home.scss

@@ -281,14 +281,6 @@
       text-align: center;
       text-transform: uppercase;
       text-shadow: 0 1px rgba(255,255,255, 0.6);
-
-      .lowercase {
-        color: $lighter-base-font-color;
-        font-family: inherit;
-        font-size: inherit;
-        font-style: inherit;
-        text-transform: none;
-      }
     }
   }
 

lms/templates/course.html

@@ -4,7 +4,6 @@
     from courseware.courses import course_image_url, get_course_about_section
 %>
 <%page args="course" />
-
 <article id="${course.id}" class="course">
   <a href="${reverse('about_course', args=[course.id])}">
   <div class="inner-wrapper">

lms/templates/index.html

@@ -46,7 +46,7 @@
 
   <section class="container">
     <section class="highlighted-courses">
-      <h2>Explore courses from <span class="lowercase">edX</span> universities</h2>
+      <h2>Explore courses from <span>edX</span> universities</h2>
 
       <section class="university-partners">
         <ol class="partners">