Remove unused edge Sass

lms/static/sass/_build-lms.scss

@@ -41,7 +41,6 @@
 @import 'multicourse/press_release';
 @import 'multicourse/error-pages';
 @import 'multicourse/help';
-@import 'multicourse/edge';
 @import 'multicourse/survey-page';
 
 // base - specific views

lms/static/sass/multicourse/_edge.scss

-$blue: #5597dd;
-$lightGrey: #edf1f5;
-$mediumGrey: #ced2db;
-$darkGrey: #8891a1;
-$extraDarkGrey: #3d4043;
-$paleYellow: #fffcf1;
-
-@mixin button {
-  display: inline-block;
-  padding: 4px $baseline 6px;
-  font-family: $sans-serif;
-  font-size: 14px;
-  font-weight: 700;
-  text-transform: none;
-  letter-spacing: 0;
-  box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset, 0 0 0 $transparent;
-  @include transition(background-color .15s linear 0s, box-shadow .15s linear 0s);
-
-  &.disabled {
-    border: 1px solid $lightGrey !important;
-    border-radius: 3px !important;
-    background: $lightGrey !important;
-    color: $darkGrey !important;
-    pointer-events: none;
-    cursor: none;
-    &:hover, &:focus {
-      box-shadow: 0 0 0 0 !important;
-    }
-  }
-
-  &:hover, &:focus {
-    box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset, 0 1px 1px rgba(0, 0, 0, .15);
-    text-decoration: none;
-  }
-}
-
-@mixin blue-button {
-  @include button;
-  border: 1px solid #437fbf;
-  border-radius: 3px;
-  @include linear-gradient(top, rgba(255, 255, 255, .3), rgba(255, 255, 255, 0));
-  background-color: $blue;
-  color: $white;
-
-  &:hover, &:focus {
-    background-color: #62aaf5;
-    color: $white;
-  }
-}
-
-@mixin grey-button {
-  @include button;
-  border: 1px solid $darkGrey;
-  border-radius: 3px;
-  @include linear-gradient(top, rgba(255, 255, 255, .3), rgba(255, 255, 255, 0));
-  background-color: #d1dae3;
-  box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset;
-  color: #6d788b;
-
-  &:hover, &:focus {
-    background-color: #d9e3ee;
-    color: #6d788b;
-  }
-}
-
-.edge-landing {
-  border-top: 5px solid $blue;
-
-  header {
-    @include clearfix();
-    background: $extraDarkGrey;
-    border-bottom: 3px solid $blue;
-  }
-
-  a:hover, a:focus {
-    text-decoration: none;
-  }
-
-  .content-wrapper {
-    background: $body-bg;
-  }
-
-  .main-wrapper {
-    width: 942px;
-    margin: auto;
-
-    .content {
-      padding: ($baseline*2) 60px 36px;
-      background: $white;
-      border: 1px solid $darkGrey;
-      border-radius: 3px;
-      box-shadow: 0 1px 2px $shadow-l1;
-      @include clearfix();
-    }
-
-    .log-in-form {
-      float: left;
-      width: 470px;
-      margin-right: ($baseline*2.5);
-      padding-right: 49px;
-      border-right: 1px solid $lightGrey;
-
-      .row {
-        margin-bottom: $baseline;
-        border-bottom: none;
-      }
-
-      label {
-        font-family: $sans-serif;
-        font-size: 13px;
-        font-weight: 700;
-        font-style: normal;
-      }
-
-      input {
-        width: 100%;
-        height: 43px;
-        font-family: $sans-serif;
-        font-size: 21px;
-        font-style: normal;
-        font-weight: 300;
-      }
-
-      .log-in-submit-button {
-        @include blue-button;
-        width: 130px;
-        padding: 8px 20px 10px;
-        font-size: 16px;
-        text-shadow: none;
-      }
-
-      .forgot-button {
-        font-size: 12px;
-        line-height: 41px;
-        margin-left: ($baseline/2);
-      }
-    }
-
-    .sign-up {
-      float: left;
-      width: 250px;
-
-      .register-button {
-        @include grey-button;
-        padding: 10px 20px 12px;
-        margin-top: $baseline;
-      }
-    }
-
-    h2 {
-      margin-bottom: ($baseline*1.5);
-      font-family: $sans-serif;
-      font-size: 24px;
-      font-weight: 300;
-      text-transform: none;
-      letter-spacing: 0;
-      color: #3c3c3c;
-    }
-
-    h3 {
-      margin-bottom: ($baseline*1.5);
-      font-family: $sans-serif;
-      font-size: 24px;
-      font-weight: 300;
-      color: #3c3c3c;
-    }
-
-    p {
-      font-family: $sans-serif;
-    }
-  }
-
-  .edx-edge-logo-large {
-    display: block;
-    width: 263px;
-    height: 72px;
-    margin: 150px auto 50px;
-    background: url('#{$static-path}/images/edx-theme/edx-edge-logo-large.png') no-repeat;
-    text-indent: -9999px;
-    overflow: hidden;
-  }
-
-  #signup-modal {
-    padding: 0;
-    border: none;
-    background: none;
-
-    .inner-wrapper {
-      border-radius: 3px;
-    }
-  }
-
-  #password-reset {
-    header {
-      background: none;
-      border-bottom: none;
-    }
-  }
-
-  #register {
-    font-family: $sans-serif;
-
-    * {
-      font-family: $sans-serif;
-      font-style: normal;
-      letter-spacing: 0;
-      text-transform: none;
-      color: #3c3c3c;
-    }
-
-    header {
-      padding-top: 13px;
-      margin-bottom: ($baseline*0.75);
-      border: none;
-      background: none;
-    }
-
-    h2 {
-      font-size: 21px;
-    }
-
-    label {
-      font-size: 13px;
-      font-weight: 700;
-    }
-
-    input[type="email"],
-    input[type="text"],
-    input[type="password"] {
-      height: 40px;
-      margin-bottom: ($baseline*0.75);
-      font-size: 13px;
-      font-weight: 400;
-    }
-
-    input[type="submit"] {
-      @include blue-button;
-      display: block;
-      color: $white;
-      text-shadow: none;
-    }
-
-    textarea {
-      height: 50px;
-      font-size: 13px;
-      font-weight: 400;
-    }
-
-    .input-group {
-      margin-bottom: $baseline;
-      padding: 0;
-    }
-
-    .terms-of-service {
-      margin-bottom: ($baseline/4);
-    }
-
-    .honor-code {
-      margin-bottom: $baseline;
-    }
-
-    .login-extra {
-      display: none;
-    }
-
-    .modal-form-error {
-      font-size: 14px;
-      color: $white;
-    }
-  }
-}