Remove unused block arguments

There are more cases where we have unused block arguments, but I'm only
changing the obvious ones.

spec/factories/administration.rb

@@ -81,7 +81,7 @@ FactoryBot.define do
       header { true }
       sequence(:button_text)   { |n| "Button text #{n}" }
       sequence(:button_url)    { |n| "Button url #{n}" }
-      sequence(:alignment)   { |n| "background" }
+      alignment { "background" }
     end
 
     after :create do |widget_card|

spec/features/budgets/investments_spec.rb

@@ -690,7 +690,7 @@ describe "Budget Investments" do
     end
 
     scenario "Random order maintained when going back from show" do
-      per_page.times { |i| create(:budget_investment, heading: heading) }
+      per_page.times { create(:budget_investment, heading: heading) }
 
       visit budget_investments_path(budget, heading_id: heading.id)
 

spec/shared/features/remotely_translatable.rb

@@ -253,5 +253,5 @@ end
 
 def generate_response(resource)
   field_text = Faker::Lorem.characters(10)
-  resource.translated_attribute_names.map { |field| field_text }
+  resource.translated_attribute_names.map { field_text }
 end