Clean up a few stale ignores from examples

Author: taion

docs/examples/.eslintrc

@@ -33,9 +33,7 @@
     "NavItem",
     "MenuItem",
     "Modal",
-    "ModalTrigger",
     "OverlayTrigger",
-    "OverlayMixin",
     "Overlay",
     "PageHeader",
     "PageItem",
@@ -48,9 +46,7 @@
     "Row",
     "SplitButton",
     "Tab",
-    "TabbedArea",
     "Table",
-    "TabPane",
     "Tabs",
     "Tooltip",
     "Well",

docs/src/ReactPlayground.js

@@ -42,7 +42,6 @@ const Pagination = require('../../src/Pagination');
 const Panel = require('../../src/Panel');
 const PanelGroup = require('../../src/PanelGroup');
 const Popover = require('../../src/Popover');
-const Portal = require('../../src/Portal');
 const ProgressBar = require('../../src/ProgressBar');
 const Row = require('../../src/Row');
 const SplitButton = require('../../src/SplitButton');