Configure traces sample rate

config/initializers/sentry.rb

@@ -8,8 +8,4 @@ Sentry.init do |config|
   # of transactions for performance monitoring.
   # We recommend adjusting this value in production
   config.traces_sample_rate = 1.0
-  # or
-  config.traces_sampler = lambda do |context|
-    true
-  end
 end