Remove Legacy Instructor Dashboard

lms/static/sass/_build-course.scss

@@ -49,7 +49,6 @@
 @import "views/teams";
 
 // course - instructor-only views
-@import "course/instructor/instructor";
 @import "course/instructor/instructor_2";
 @import "course/instructor/email";
 @import "xmodule/descriptors/css/module-styles.scss";

lms/static/sass/course/instructor/_instructor.scss

@@ -1,189 +0,0 @@
-.instructor-dashboard-wrapper {
-  display: table;
-  position: relative;
-
-  .beta-button-wrapper {
-    position: absolute;
-    top: 2em;
-    right: 2em;
-  }
-
-  .studio-edit-link{
-    position: absolute;
-    top: 3.5em;
-    right: 2em;
-  }
-
-  section.instructor-dashboard-content {
-    @extend .content;
-    padding: 40px;
-    width: 100%;
-
-    h1 {
-      @extend .top-header;
-    }
-  }
-
-  // form fields
-  .list-fields {
-    @extend %ui-no-list;
-
-    .field {
-      margin-bottom: $baseline;
-
-      &:last-child {
-        margin-bottom: 0;
-      }
-
-      .tip {
-        display: block;
-        margin-top: ($baseline/4);
-        color: tint(rgb(127,127,127),50%);
-        @include font-size(12);
-      }
-
-    }
-
-  }
-
-  // ====================
-
-  // system feedback - messages
-  .msg {
-    border-radius: 1px;
-    padding: 10px 15px;
-    margin-bottom: $baseline;
-
-    .copy {
-      font-weight: 600;
-    }
-  }
-
-  // TYPE: warning
-  .msg-warning {
-    border-top: 2px solid $warning-color;
-    background: tint($warning-color,95%);
-
-    .copy {
-      color: $warning-color;
-    }
-  }
-
-  // TYPE: confirm
-  .msg-confirm {
-    border-top: 2px solid $confirm-color;
-    background: tint($confirm-color,95%);
-
-    .copy {
-      color: $confirm-color;
-    }
-  }
-
-  // TYPE: confirm
-  .msg-error {
-    border-top: 2px solid $error-color;
-    background: tint($error-color,95%);
-
-    .copy {
-      color: $error-color;
-    }
-  }
-
-  // ====================
-
-  // inline copy
-  .copy-confirm {
-    color: $confirm-color;
-  }
-
-  .copy-warning {
-    color: $warning-color;
-  }
-
-  .copy-error {
-    color: $error-color;
-  }
-
-  .list-advice {
-    list-style: none;
-    padding: 0;
-    margin: 20px 0;
-
-    .item {
-      font-weight: 600;
-      margin-bottom: ($baseline/2);
-
-      &:last-child {
-        margin-bottom: 0;
-      }
-    }
-  }
-
-  //Metrics tab
-
-  .metrics-container {
-    position: relative;
-    width: 100%;
-    float: left;
-    clear: both;
-    margin-top: 25px;
-  }
-  .metrics-left {
-    position: relative;
-    width: 30%;
-    height: 640px;
-    float: left;
-    margin-right: 2.5%;
-  }
-  .metrics-right {
-    position: relative;
-    width: 65%;
-    height: 295px;
-    float: left;
-    margin-left: 2.5%;
-    margin-bottom: 25px;
-  }
-  .metrics-tooltip {
-    width: 250px;
-    background-color: lightgray;
-    padding: 3px;
-  }
-  .stacked-bar-graph-legend {
-    fill: white;
-  }
-
-  p.loading {
-    padding-top: 100px;
-    text-align: center;
-  }
-
-  p.nothing {
-    padding-top: 25px;
-  }
-
-  h3.attention {
-    padding: 10px;
-    border: 1px solid #999;
-    border-radius: 5px;
-    margin-top: 25px;
-  }
-
-  .wrapper-msg {
-    margin-bottom: ($baseline*1.5);
-
-    .msg {
-      margin-bottom: 0;
-    }
-
-    .note {
-      margin: 0;
-    }
-  }
-
-}
-
-.rtl .instructor-dashboard-wrapper .beta-button-wrapper,
-.rtl .instructor-dashboard-wrapper .studio-edit-link {
-  left: 2em;
-  right: auto;
-}