MDL-80303 theme_boost: Clean and reorder course SCSS

- Reorder SCSS blocks to improve readability
- Clean comment style to improve readability
- Refactor some SCSS blocks
- Move some styles from core.scss to course.scss

course/format/social/format.php

@@ -64,7 +64,7 @@
     echo $OUTPUT->box($introcontent, 'generalbox', 'intro');
 }
 
-echo html_writer::div(forum_get_subscribe_link($forum, $modcontext), 'subscribelink');
+echo html_writer::div(forum_get_subscribe_link($forum, $modcontext), 'subscribelink text-end');
 
 $numdiscussions = course_get_format($course)->get_course()->numdiscussions;
 if ($numdiscussions < 1) {

course/renderer.php

@@ -1627,7 +1627,7 @@ protected function frontpage_news($forum) {
                 $subtext = get_string('subscribe', 'forum');
             }
             $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $forum->id, 'sesskey' => sesskey()));
-            $output .= html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
+            $output .= html_writer::tag('div', html_writer::link($suburl, $subtext), ['class' => 'subscribelink text-end']);
         }
 
         $coursemodule = get_coursemodule_from_instance('forum', $forum->id);

theme/boost/scss/moodle/core.scss

@@ -221,18 +221,6 @@ button.btn-close,
     padding: 0;
 }
 
-.section li.movehere a {
-    display: block;
-    width: 100%;
-    height: 2rem;
-    border: 2px dashed $gray-800;
-}
-
-.editing .course-content .hidden.sectionname {
-    visibility: hidden;
-    display: initial;
-}
-
 .inline,
 .inline-list li {
     display: inline;
@@ -1024,40 +1012,6 @@ tr.flagged-tag a {
     left: 50%;
 }
 
-.mod-indent-outer {
-    display: table;
-}
-
-.mod-indent {
-    display: table-cell;
-}
-
-.label .mod-indent {
-    float: left;
-    padding-top: 20px;
-}
-
-.activity.label.modtype_label .mod-indent {
-    float: none;
-}
-
-@include media-breakpoint-up(sm) {
-    $mod-indent-size: 30px;
-    /* Creates a series of .mod-indent-# rule declarations based on indent size and number of indent levels. */
-
-    @for $i from 1 through 16 {
-        $width: ($i * $mod-indent-size);
-
-        .mod-indent-#{$i} {
-            width: $width;
-        }
-    }
-
-    .mod-indent-huge {
-        width: (16 * $mod-indent-size);
-    }
-}
-
 /* Audio player size in 'block' mode (can only change width, height is hardcoded in JS) */
 .resourcecontent .mediaplugin_mp3 object {
     height: 25px;
@@ -2098,10 +2052,6 @@ dd:after {
     }
 }
 
-h3.sectionname .inplaceeditable.inplaceeditingon .editinstructions {
-    margin-top: -20px;
-}
-
 /** Chart area. */
 .chart-area {
     @include media-breakpoint-up(lg) {