fix(ruby): Simplify getting started configs for performance (#9461)

Author: sl0thentr0py

platform-includes/getting-started-config/ruby.mdx

@@ -5,14 +5,9 @@ require 'sentry-ruby'
 
 Sentry.init do |config|
   config.dsn = '___PUBLIC_DSN___'
+  # enable performance monitoring
+  config.enable_tracing = true
+  # get breadcrumbs from logs
   config.breadcrumbs_logger = [:sentry_logger, :http_logger]
-
-  # To activate performance monitoring, set one of these options.
-  # We recommend adjusting the value in production:
-  config.traces_sample_rate = 1.0
-  # or
-  config.traces_sampler = lambda do |context|
-    0.5
-  end
 end
 ```

platform-includes/getting-started-config/ruby.rack.mdx

@@ -9,15 +9,10 @@ require 'sentry-ruby'
 
 Sentry.init do |config|
   config.dsn = '___PUBLIC_DSN___'
+  # enable performance monitoring
+  config.enable_tracing = true
+  # get breadcrumbs from logs
   config.breadcrumbs_logger = [:sentry_logger, :http_logger]
-
-  # To activate performance monitoring, set one of these options.
-  # We recommend adjusting the value in production:
-  config.traces_sample_rate = 1.0
-  # or
-  config.traces_sampler = lambda do |context|
-    true
-  end
 end
 
 use Sentry::Rack::CaptureExceptions
@@ -37,6 +32,9 @@ require 'sentry-ruby'
 
 Sentry.init do |config|
   config.dsn = '___PUBLIC_DSN___'
+  # enable performance monitoring
+  config.enable_tracing = true
+  # get breadcrumbs from logs
   config.breadcrumbs_logger = [:sentry_logger, :http_logger]
 end
 

platform-includes/getting-started-config/ruby.rails.mdx

@@ -5,14 +5,9 @@ Initialize the SDK within your `config/initializers/sentry.rb`:
 ```ruby {filename:config/initializers/sentry.rb}
 Sentry.init do |config|
   config.dsn = '___PUBLIC_DSN___'
+  # enable performance monitoring
+  config.enable_tracing = true
+  # get breadcrumbs from logs
   config.breadcrumbs_logger = [:active_support_logger, :http_logger]
-
-  # To activate performance monitoring, set one of these options.
-  # We recommend adjusting the value in production:
-  config.traces_sample_rate = 1.0
-  # or
-  config.traces_sampler = lambda do |context|
-    true
-  end
 end
 ```