[ruby/rage] Disable ActiveRecord logging (#10729)

Author: p8

frameworks/Ruby/rage/config/initializers/activerecord.rb

@@ -6,3 +6,5 @@
 puts "ActiveRecord pool size: #{pool_size}"
 
 ENV["DATABASE_URL"]="postgres://benchmarkdbuser:benchmarkdbpass@tfb-database/hello_world?pool=#{pool_size}&reaping_frequency=0"
+
+ActiveRecord::Base.logger = nil