Remove Ruby 2.7 guards

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --auto-gen-only-exclude --exclude-limit 99999`
-# on 2023-01-20 19:16:15 UTC using RuboCop version 1.43.0.
+# on 2023-12-28 21:21:19 UTC using RuboCop version 1.59.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -33,6 +33,7 @@ Lint/ConstantDefinitionInBlock:
     - 'spec/message_sending_spec.rb'
 
 # Offense count: 2
+# Configuration parameters: AllowedParentClasses.
 Lint/MissingSuper:
   Exclude:
     - 'lib/delayed/message_sending.rb'
@@ -50,25 +51,23 @@ Lint/SuppressedException:
     - 'lib/delayed/backend/base.rb'
 
 # Offense count: 4
-# Configuration parameters: AllowedMethods, AllowedPatterns, IgnoredMethods, CountRepeatedAttributes, Max.
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes, Max.
 Metrics/AbcSize:
   Exclude:
     - 'lib/delayed/message_sending.rb'
     - 'lib/delayed/psych_ext.rb'
     - 'lib/delayed/worker.rb'
 
 # Offense count: 1
-RSpec/AnyInstance:
+# This cop supports safe autocorrection (--autocorrect).
+Performance/StringIdentifierArgument:
   Exclude:
-    - 'spec/delayed/job_spec.rb'
+    - 'lib/delayed/monitor.rb'
 
-# Offense count: 18
-# This cop supports unsafe autocorrection (--autocorrect-all).
-RSpec/BeEq:
+# Offense count: 1
+RSpec/AnyInstance:
   Exclude:
     - 'spec/delayed/job_spec.rb'
-    - 'spec/delayed/priority_spec.rb'
-    - 'spec/message_sending_spec.rb'
 
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).
@@ -165,11 +164,10 @@ Rake/DuplicateTask:
   Exclude:
     - 'Rakefile'
 
-# Offense count: 4
+# Offense count: 2
 # This cop supports unsafe autocorrection (--autocorrect-all).
 Security/YAMLLoad:
   Exclude:
-    - 'spec/delayed/serialization/active_record_spec.rb'
     - 'spec/helper.rb'
     - 'spec/yaml_ext_spec.rb'
 

lib/delayed/performable_method.rb

@@ -26,13 +26,7 @@ def display_name
     end
 
     def perform
-      return unless object
-
-      if kwargs.nil? || (RUBY_VERSION < '2.7' && kwargs.empty?)
-        object.send(method_name, *args)
-      else
-        object.send(method_name, *args, **kwargs)
-      end
+      object.send(method_name, *args, **kwargs) if object
     end
 
     def method(sym)