DevTools: cleanup text input styles

third_party/WebKit/Source/devtools/front_end/emulation/devicesSettingsTab.css

 /*
  * Copyright 2015 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.
  */
 
 .devices-settings-tab .settings-tab.help-content {
     display: flex;
     flex-direction: column;
     align-items: flex-start;
@@ skipping 56 matching lines @@
     align-items: stretch;
     margin-bottom: 5px;
 }
 
 .devices-edit-fields input {
     flex: auto;
     margin: 8px 5px 0 5px;
     height: 22px;
     border: 1px solid rgb(213, 213, 213);
     border-radius: 2px;
-    color: #444444;
     padding: 3px;
 }
 
 .devices-edit-fields .device-edit-fixed {
     flex: 0 0 140px;
 }
 
 .devices-edit-fields select {
     margin: 8px 5px 0 5px;
 }