docs(demo): remove tables playground, opting instead to enable tables on the main page

Author: b-kelly

site/index.ts

@@ -149,7 +149,6 @@ domReady(() => {
     const place = document.querySelector<HTMLElement>("#example-1");
     const place2 = document.querySelector<HTMLElement>("#example-2");
     const content = document.querySelector<HTMLTextAreaElement>("#content");
-    const enableTables = place.classList.contains("js-tables-enabled");
     const enableImages = !place.classList.contains("js-images-disabled");
     const enableSamplePlugin = place.classList.contains("js-plugins-enabled");
 
@@ -184,7 +183,7 @@ domReady(() => {
             editorHelpLink: "#TODO",
             commonmarkOptions: {},
             parserFeatures: {
-                tables: enableTables,
+                tables: true,
                 tagLinks: {
                     allowNonAscii: false,
                     allowMetaTags: true,

site/layout.html

@@ -84,11 +84,6 @@
                             No image upload
                         </a>
                     </li>
-                    <li class="s-sidebarwidget--item">
-                        <a href="./tables.html" class="s-link">
-                            Tables playground
-                        </a>
-                    </li>
                     <li class="s-sidebarwidget--item">
                         <a href="./dualeditor.html" class="s-link">
                             Dual editor playground

site/views/index.html

@@ -104,6 +104,14 @@
 and spoilers:
 
 >! IT'S A SECRET TO EVERYBODY.
+
+Don't forget tables:
+
+| Reason                  | Coolness factor | Approved |
+| ----------------------- |----------------:|:--------:|
+| They've got **columns** | 500             | ✅       |
+| And *rows*              | 9000            | ✅       |
+| and different alignment | 9001           | 🔥       |
 </textarea>
 <h1>Stacks Editor</h1>
 <h3>Showcasing our new editing experience for Stack Overflow</h3>