Autofix Rubocop Lint/UnusedBlockArgument (#23712)

.rubocop_todo.yml

@@ -278,14 +278,6 @@ Lint/OrAssignmentToConstant:
   Exclude:
     - 'lib/sanitize_ext/sanitize_config.rb'
 
-# Offense count: 3
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: IgnoreEmptyBlocks, AllowUnusedKeywordArguments.
-Lint/UnusedBlockArgument:
-  Exclude:
-    - 'spec/lib/activitypub/activity/add_spec.rb'
-    - 'spec/lib/request_pool_spec.rb'
-
 # Offense count: 33
 Lint/UselessAssignment:
   Exclude:

spec/lib/activitypub/activity/add_spec.rb

@@ -48,7 +48,7 @@ RSpec.describe ActivityPub::Activity::Add do
         end
 
         it 'fetches the status and pins it' do
-          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil|
+          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil| # rubocop:disable Lint/UnusedBlockArgument
             expect(uri).to eq 'https://example.com/unknown'
             expect(id).to eq true
             expect(on_behalf_of&.following?(sender)).to eq true
@@ -62,7 +62,7 @@ RSpec.describe ActivityPub::Activity::Add do
 
       context 'when there is no local follower' do
         it 'tries to fetch the status' do
-          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil|
+          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil| # rubocop:disable Lint/UnusedBlockArgument
             expect(uri).to eq 'https://example.com/unknown'
             expect(id).to eq true
             expect(on_behalf_of).to eq nil

spec/lib/request_pool_spec.rb

@@ -33,7 +33,7 @@ describe RequestPool do
 
       subject
 
-      threads = 20.times.map do |i|
+      threads = 20.times.map do |_i|
         Thread.new do
           20.times do
             subject.with('http://example.com') do |http_client|