Merge pull request #15693 from edx/ssemenova/whitespace

Educator-986 large space in show answer view for instructors

lms/static/sass/course/courseware/_courseware.scss

@@ -19,7 +19,6 @@ html.video-fullscreen {
   @extend %ui-print-excluded;
 
   margin: ($baseline/2) ($baseline/4) 0 0;
-  overflow: hidden;
 
   &.studio-view {
     margin: 0;

lms/static/sass/multicourse/_course_about.scss

@@ -244,7 +244,6 @@
       &.studio-view {
         position: relative;
         margin: ($baseline/2) 0 0 0;
-        overflow: hidden;
       }
 
       .instructor-info-action {