fix(css) remove no longer used AUI classes

css/_base.scss

@@ -164,16 +164,6 @@ form {
     font-size: 12px;
 }
 
-/**
-* Dialogs fade
-*/
-.aui-blanket {
-    background: #000;
-    transition: opacity 0.2s, visibility 0.2s;
-    transition-delay: 0.1s;
-    visibility: visible;
-}
-
 #inviteLinkRef {
     -webkit-user-select: text;
     user-select: text;

css/aui-components/dropdown.scss

@@ -1,68 +0,0 @@
-.select2-container.aui-select2-container {
-    background-color: transparent !important;
-    margin-top: 2px;
-
-    a.select2-choice {
-        height: 28px !important;
-        line-height: 18px !important;
-        width: 100% !important;
-        background-color: $selectBg !important;
-        border-color: $selectBg !important;
-        color: $selectFontColor !important;
-        text-shadow: none !important;
-        font-size: 12px !important;
-        margin: 0 auto !important;
-
-        &:after {
-            border-top-color: $selectFontColor;
-        }
-    }
-
-    &.select2-dropdown-open{
-        a.select2-choice {
-            background-color: $selectActiveBg !important;
-            border-color: $selectActiveBg !important;
-        }
-    }
-}
-
-.select2-drop.aui-select2-drop.aui-style-default {
-    z-index: $dropdownZ;
-    background-color: $selectActiveBg;
-    border-color: $selectActiveBg;
-
-    .select2-results{
-        background-color: $selectActiveBg;
-        border-color: $selectActiveBg;
-
-        &::-webkit-scrollbar {
-            background-color: transparent;
-        }
-        &::-webkit-scrollbar-track {
-            background-color: transparent;
-        }
-        &::-webkit-scrollbar-track-piece {
-            background-color: transparent;
-        }
-        &::-webkit-scrollbar-thumb {
-            background-color: $selectActiveItemBg;
-        }
-
-        .select2-result{
-            &.select2-highlighted{
-                background-color: $selectActiveItemBg;
-            }
-
-            .select2-result-label{
-                font-size: 12px;
-                color: $selectFontColor !important;
-                line-height: 20px;
-            }
-        }
-
-    }
-}
-
-.select2-drop-mask {
-    z-index: $dropdownMaskZ;
-}

css/main.scss

@@ -24,8 +24,7 @@ $flagsImagePath: "../images/";
 /* Flags END */
 
 /* Modules BEGIN */
-
-@import 'aui_reset';
+@import 'reset';
 @import 'atlaskit_overrides';
 @import 'base';
 @import 'utils';
@@ -63,7 +62,6 @@ $flagsImagePath: "../images/";
 @import 'components/input-control';
 @import 'components/input-slider';
 @import "connection-info";
-@import 'aui-components/dropdown';
 @import '404';
 @import 'policy';
 @import 'popover';

css/modals/_dialog.scss

@@ -1,114 +1,3 @@
-.dialog {
-    box-sizing: border-box;
-    height: auto;
-    min-height: 131px;
-    overflow: visible;
-    visibility: visible;
-    width: 400px;
-
-    h1, h2, h3, h4, h5, h6 {
-        color: $auiDialogColor;
-    }
-
-    .aui {
-
-        &-dialog2 {
-            &-header, &-footer {
-                background-color: $auiDialogBg;
-                border: none;
-            }
-
-            &-header {
-                border-bottom: 1px solid $auiBorderColor;
-                border-radius: 5px 5px 0 0;
-                box-sizing: border-box;
-                color: #333;
-                display: table;
-                font-weight: normal;
-                height: em(58, 12);
-                margin-top: -69px;
-                padding: 0 20px;
-                width: 100%;
-
-                h2 {
-                    font-size: em(20, 12);
-                    font-weight: $dialogTitleFontWeight;
-                    color: $auiDialogColor;
-                }
-
-                &-main {
-                    display: table-cell;
-                    padding-right: 0;
-                    max-width: 400px;
-                    overflow: hidden;
-                    text-overflow: ellipsis;
-                    vertical-align: middle;
-                    white-space: nowrap;
-
-                }
-            }
-
-            &-footer {
-                border-top: 1px solid $auiBorderColor;
-                border-radius: 0 0 5px 5px;
-                box-sizing: border-box;
-                height: 51px;
-                overflow: hidden;
-                padding: 10px 20px;
-                width: 100%;
-
-                &:empty {
-                    height: 5px;
-                    padding: 0;
-                }
-            }
-
-            &-content {
-                background-color: $auiDialogBg;
-                box-sizing: border-box;
-                color: $auiDialogColor;
-                font-size: em(14, 12);
-                overflow: auto;
-                max-height: 100%;
-                padding: 20px;
-
-                p,span, h3 {
-                    font-weight: $labelFontWeight;
-                }
-
-                &:last-child {
-                    border-bottom-right-radius: 5px;
-                    border-bottom-left-radius: 5px;
-                }
-
-                &:first-child {
-                    border-top-right-radius: 5px;
-                    border-top-left-radius: 5px;
-                }
-            }
-        }
-
-        &-hide {
-            display: none;
-        }
-    }
-
-    .input-control {
-        background-color: $auiDialogContentBg;
-        color: $auiDialogColor;
-    }
-
-    .form-control:not(:last-child) {
-        border-bottom: 1px solid $auiBorderColor;
-    }
-}
-
-@media all and (max-width: 420px) {
-  .aui-dialog2-small .aui-dialog2-content {
-    height: 100%;
-  }
-}
-
 .modal-dialog-form {
     margin-top: 5px !important;
 

css/themes/_light.scss

@@ -46,11 +46,6 @@ $reloadProgressBarBg: #0074E0;
 /**
  * Dialog colors
  **/
-$auiDialogColor: #eceef1;
-$auiDialogBg: #253858;
-$auiDialogContentBg: #344563;
-$auiBorderColor: #253858;
-$dialogTitleFontWeight: 400;
 $dialogErrorText: #344563;
 
 /**