Remove delayed_job_active_record

Gemfile

@@ -5,7 +5,6 @@ source 'https://rubygems.org'
 ruby '2.5.1'
 gem 'rails', '~> 5.2.3'
 gem 'bootsnap', '~> 1.4', require: false # Large rails application booting enhancer
-gem 'delayed_job_active_record', '~> 4.1'
 gem 'font_assets', '~> 0.1.14' # for serving fonts on cdn https://github.com/ericallam/font_assets
 gem 'hamster', '~> 3.0' # Thread-safe collection classes for Ruby
 gem 'parallel', '~> 1.17' # run processes in parallel

Gemfile.lock

@@ -153,11 +153,6 @@ GEM
     debase-ruby_core_source (0.10.5)
     debug_inspector (0.0.3)
     deep_merge (1.2.1)
-    delayed_job (4.1.7)
-      activesupport (>= 3.0, < 5.3)
-    delayed_job_active_record (4.1.3)
-      activerecord (>= 3.0, < 5.3)
-      delayed_job (>= 3.0, < 5)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     devise (4.6.2)
@@ -519,7 +514,6 @@ DEPENDENCIES
   countries (~> 3.0)
   database_cleaner (~> 1.7)
   debase (~> 0.2.3)
-  delayed_job_active_record (~> 4.1)
   devise (~> 4.4)
   devise-async (~> 1.0)
   dotenv-rails (~> 2.7, >= 2.7.5)