Language & platform landing page cleanup (#818)

content/en/docs/languages/node/_index.md

@@ -1,6 +1,6 @@
 ---
 title: Node
-notoc: true
+no_list: true
 ---
 
 These language-specific pages are available:

content/en/docs/languages/objective-c/_index.md

@@ -1,7 +1,7 @@
 ---
 title: Objective-C
 api_path: grpc/objc
-notoc: true
+no_list: true
 ---
 
 These language-specific pages are available:

content/en/docs/languages/ruby/_index.md

@@ -1,7 +1,7 @@
 ---
 title: Ruby
 api_path: https://rubydoc.info/gems/grpc
-notoc: true
+no_list: true
 ---
 
 These language-specific pages are available:

content/en/docs/platforms/android/_index.md

@@ -1,6 +1,6 @@
 ---
 title: Android
-nav_children: section
+no_list: true
 ---
 
 The following languages support client-side gRPC on Android:

content/en/docs/platforms/web/_index.md

@@ -1,8 +1,3 @@
 ---
 title: Web
 ---
-
-These language-specific pages are available:
-
-- [Quick start](quickstart/)
-- [Basics tutorial](basics/)