FEATURE: allow use of redis sentinel via redis_sentinels

Use: DISCOURSE_REDIS_SENTINELS and DISCOURSE_REDIS_HOST to configure redis
sentinel

script/bench.rb

@@ -104,11 +104,6 @@ unless File.exists?("config/database.yml")
   `cp config/database.yml.development-sample config/database.yml`
 end
 
-unless File.exists?("config/redis.yml")
-  puts "Copying redis.yml.sample to redis.yml"
-  `cp config/redis.yml.sample config/redis.yml`
-end
-
 ENV["RAILS_ENV"] = "profile"
 
 

script/setup_dev

@@ -12,14 +12,8 @@ puts "Running: bundle"
 system "bundle"
 
 
-redis_yml = root + '/config/redis.yml'
 database_yml = root + '/config/database.yml'
 
-if !File.exists?(redis_yml)
-  puts "Creating config/redis.yml"
-  system "cp #{root}/config/redis.yml.sample #{redis_yml}"
-end
-
 if !File.exists?(database_yml)
   puts "Creating config/database.yml"
   system "cp #{root}/config/database.yml.development-sample #{database_yml}"