(maint) Turn off analytics submissions

Collecting analytics is now turned off by default.

!removal

* **Stop collecting bolt analytics** ([#3293](#3293))

  Bolt no longer collects analytics by default.

documentation/analytics.md

@@ -1,7 +1,8 @@
 # Analytics
 
 Bolt collects data about how you use it to help the Bolt team make decisions
-about how to improve it. You can opt out of providing this data.
+about how to improve it. You can opt out of providing this data. Analytics is
+disabled by default.
 
 ## Opt out of data collection
 
@@ -12,7 +13,7 @@ or by setting an environment variable.
 
 To disable data collection, set `analytics: false` in your [configuration
 file](configuring_bolt.md). This option is supported in the system-wide,
-user-level, and project configuration files.
+user-level, and project configuration files. `false` is the default value.
 
 ```yaml
 # bolt-defaults.yaml

documentation/bolt_installing.md

@@ -1,9 +1,5 @@
 # Installing Bolt
 
-> Bolt automatically collects data about how you use it. If you want to opt
-> out of providing this data, you can do so. For more information, see
-> [Opt out of data collection](analytics.md#opt-out-of-data-collection).
-
 Packaged versions of Bolt are available for several Linux distributions, macOS,
 and Microsoft Windows.
 

lib/bolt/config.rb

@@ -169,7 +169,7 @@ def initialize(project, config_data, overrides = {})
       @config_files = []
 
       default_data = {
-        'analytics'           => true,
+        'analytics'           => false,
         'apply-settings'      => {},
         'color'               => true,
         'compile-concurrency' => Etc.nprocessors,