Removing iOS from Multi-device docs

chrome/common/extensions/docs/templates/json/chrome_sidenav.json

 [
   {
     "title": "Devtools",
     "items": [
       {
         "title": "Learn Basics",
         "href": "/devtools",
         "items": [
           {
             "title": "Overview",
@@ skipping 248 matching lines @@
           },
           {
             "title": "WebView Workflow",
             "href": "/multidevice/webview/workflow"
           },
           {
             "title": "Tips & Tricks",
             "href": "/multidevice/webview/tipsandtricks"
           }
         ]
-      },
-      {
-        "title": "Chrome for iOS",
-        "href": "/multidevice/ios/overview",
-        "items": [
-          {
-            "title": "Overview",
-            "href": "/multidevice/ios/overview"
-          },
-          {
-            "title": "Opening Links in Chrome",
-            "href": "/multidevice/ios/links"
-          },
-          {
-            "title": "Case Studies",
-            "href": "/multidevice/ios/case-studies",
-            "items": [
-              {
-                "title": "Case Studies",
-                "href": "/multidevice/ios/case-studies"
-              },
-              {
-                "title": "Pocket",
-                "href": "/multidevice/ios/pocket"
-              },
-              {
-                "title": "Feedly",
-                "href": "/multidevice/ios/feedly"
-              }
-            ]
-          }
-        ]
       }
     ]
   },
   {
     "title": "Platform",
     "items": [
       {
         "title": "Apps",
         "href": "/apps/about_apps",
         "items": [
@@ skipping 768 matching lines @@
                 "title": "Articles",
                 "href": "/webstore/articles"
               }
             ]
           }
         ]
       }
     ]
   }
 ]