[DevTools] Remove promise inspector experiment

third_party/WebKit/Source/devtools/front_end/promises/promisePane.css

-/*
- * Copyright 2014 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-.promises .data-grid {
-    border: none;
-    flex: 1 1;
-}
-
-.promises > .toolbar {
-    border-bottom: 1px solid #dadada;
-}
-
-.promises .promise-gc {
-    opacity: 0.6;
-}
-
-.promises .data-grid th:hover {
-    background-color: inherit !important;
-}
-
-.promises .data-grid .odd {
-    background-color: #eee;
-}
-
-.promises .data-grid .header-container {
-    height: 30px;
-}
-
-.promises .data-grid .data-container {
-    top: 29px;
-}
-
-.promises .data-grid table.data {
-    background: transparent;
-}
-
-.promises .data-grid th {
-    background-color: white;
-}
-
-.promises .data-grid td {
-    line-height: 17px;
-    height: 24px;
-    vertical-align: middle;
-}
-
-.promises .data-grid th,
-.promises .data-grid td {
-    border-bottom: 1px solid rgb(205, 205, 205);
-    border-left: 1px solid rgb(205, 205, 205);
-}
-
-.promises .status {
-    -webkit-mask-image: url(Images/toolbarButtonGlyphs.png);
-    -webkit-mask-size: 352px 168px;
-    -webkit-mask-position: -294px -26px;
-    background-color: #bbb;
-    height: 20px;
-    width: 20px;
-}
-
-@media (-webkit-min-device-pixel-ratio: 1.5) {
-.promises .status {
-    -webkit-mask-image: url(Images/toolbarButtonGlyphs_2x.png);
-}
-} /* media */
-
-.promises .status.rejected {
-    background-color: rgb(216, 0, 0);
-}
-
-.promises .status.resolved {
-    background-color: #696;
-}
-
-.promises-filters-header {
-    flex: 0 0 23px;
-    overflow: hidden;
-}
-
-.promises-filter-status {
-    flex: 0 0 23px;
-    padding-left: 18px;
-    color: rgb(128, 128, 128);
-    font-style: italic;
-}
-.promises-filter-status .link:hover {
-    color: rgb(15%, 15%, 15%);
-}
-.promises-filter-status .link {
-    color: rgb(33%, 33%, 33%);
-}