remove hiredis

Gemfile

@@ -5,13 +5,14 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby '3.0.1'
 
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main'
+# Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity.
+# It encourages beautiful code by favoring convention over configuration.
 gem 'rails', '~> 6.1.3', '>= 6.1.3.1'
 # A set of common locale data and translations to internationalize and/or localize your Rails applications
 gem 'rails-i18n', '~> 6.0.0'
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.1'
-# Use Puma as the app server
+# Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications
 gem 'puma', '~> 5.0'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
@@ -21,8 +22,6 @@ gem 'webpacker', '~> 5.0'
 gem 'turbolinks', '~> 5'
 # Use Redis adapter to run Action Cable in production
 gem 'redis', '~> 4.2.5'
-# Ruby wrapper for hiredis (protocol serialization/deserialization and blocking I/O)
-gem 'hiredis', '~> 0.6.3'
 # Use Active Model has_secure_password
 gem 'bcrypt', '~> 3.1.7'
 # Flexible authentication solution for Rails with Warden