Remove unneeded settings cleanup from specs (#28425)

spec/requests/api/v1/instances/activity_spec.rb

@@ -4,12 +4,6 @@ require 'rails_helper'
 
 RSpec.describe 'Activity' do
   describe 'GET /api/v1/instance/activity' do
-    around do |example|
-      original = Setting.activity_api_enabled
-      example.run
-      Setting.activity_api_enabled = original
-    end
-
     context 'with activity api enabled' do
       before { Setting.activity_api_enabled = true }
 

spec/requests/api/v1/instances/domain_blocks_spec.rb

@@ -4,12 +4,6 @@ require 'rails_helper'
 
 RSpec.describe 'Domain Blocks' do
   describe 'GET /api/v1/instance/domain_blocks' do
-    around do |example|
-      original = Setting.show_domain_blocks
-      example.run
-      Setting.show_domain_blocks = original
-    end
-
     before do
       Fabricate(:domain_block)
     end

spec/requests/api/v1/instances/peers_spec.rb

@@ -4,12 +4,6 @@ require 'rails_helper'
 
 RSpec.describe 'Peers' do
   describe 'GET /api/v1/instance/peers' do
-    around do |example|
-      original = Setting.peers_api_enabled
-      example.run
-      Setting.peers_api_enabled = original
-    end
-
     context 'with peers api enabled' do
       before { Setting.peers_api_enabled = true }
 

spec/requests/cache_spec.rb

@@ -242,17 +242,11 @@ describe 'Caching behavior' do
     end
 
     describe '/api/v1/instance/domain_blocks' do
-      around do |example|
-        old_setting = Setting.show_domain_blocks
+      before do
         Setting.show_domain_blocks = show_domain_blocks
-
-        example.run
-
-        Setting.show_domain_blocks = old_setting
+        get '/api/v1/instance/domain_blocks'
       end
 
-      before { get '/api/v1/instance/domain_blocks' }
-
       context 'when set to be publicly-available' do
         let(:show_domain_blocks) { 'all' }
 
@@ -365,16 +359,8 @@ describe 'Caching behavior' do
     end
 
     describe '/api/v1/instance/domain_blocks' do
-      around do |example|
-        old_setting = Setting.show_domain_blocks
-        Setting.show_domain_blocks = show_domain_blocks
-
-        example.run
-
-        Setting.show_domain_blocks = old_setting
-      end
-
       before do
+        Setting.show_domain_blocks = show_domain_blocks
         get '/api/v1/instance/domain_blocks', headers: { 'Authorization' => "Bearer #{token.token}" }
       end