Revert "Log push output on exception"

This reverts commit d493c91d.

qa/qa/specs/features/repository/protected_branches_spec.rb

@@ -13,15 +13,11 @@ module QA
       Page::Main::Login.act { sign_in_using_credentials }
     end
 
-    after do |example|
+    after do
       # We need to clear localStorage because we're using it for the dropdown,
       # and capybara doesn't do this for us.
       # https://github.com/teamcapybara/capybara/issues/1702
       Capybara.execute_script 'localStorage.clear()'
-
-      # In order to help diagnose a false failure
-      # https://gitlab.com/gitlab-org/gitlab-ce/issues/48241
-      log_push_output if example.exception
     end
 
     context 'when developers and maintainers are allowed to push to a protected branch' do
@@ -31,9 +27,9 @@ module QA
         expect(protected_branch.name).to have_content(branch_name)
         expect(protected_branch.push_allowance).to have_content('Developers + Maintainers')
 
-        @push = push_new_file(branch_name)
+        push = push_new_file(branch_name)
 
-        expect(@push.output).to match(/remote: To create a merge request for protected-branch, visit/)
+        expect(push.output).to match(/remote: To create a merge request for protected-branch, visit/)
       end
     end
 
@@ -41,11 +37,11 @@ module QA
       it 'user without push rights fails to push to the protected branch' do
         create_protected_branch(allow_to_push: false)
 
-        @push = push_new_file(branch_name)
+        push = push_new_file(branch_name)
 
-        expect(@push.output)
+        expect(push.output)
           .to match(/remote\: GitLab\: You are not allowed to push code to protected branches on this project/)
-        expect(@push.output)
+        expect(push.output)
           .to match(/\[remote rejected\] #{branch_name} -> #{branch_name} \(pre-receive hook declined\)/)
       end
     end
@@ -69,13 +65,5 @@ module QA
         resource.new_branch = false
       end
     end
-
-    def log_push_output
-      if defined?(@push)
-        filename = File.join('tmp', "push-output-#{project.name}")
-        puts "Exception detected. Push output will be saved to #{filename}"
-        IO.binwrite(filename, @push.output)
-      end
-    end
   end
 end