Remove spring references

Spring is being removed from `rails new` in upcoming versions of Rails.

Gemfile.tt

@@ -36,10 +36,6 @@ group :development do
   gem "annotate"
   gem "letter_opener"
   gem "listen"<%= gemfile_requirement("listen") %>
-  gem "spring"
-<% if gemfile_requirement("spring-watcher-listen") -%>
-  gem "spring-watcher-listen"<%= gemfile_requirement("spring-watcher-listen") %>
-<% end -%>
   gem "web-console"<%= gemfile_requirement("web-console") %>
 end
 

bin/setup

@@ -9,10 +9,7 @@ def setup!
     run  "overcommit --install" if overcommit_present?
     copy "example.env", ".env.development"
     test_local_env_contains_required_keys
-    run  "bin/rails tmp:create"
-    run  "bin/rails db:prepare"
-    run  "bin/rails db:test:prepare"
-    run  "bin/rails db:seed"
+    run  "bin/rails tmp:create db:prepare db:test:prepare db:seed"
     run  "bin/webpack --display errors-only"
   end
 end

config/template.rb

@@ -15,8 +15,6 @@ gsub_file "config/routes.rb", /  # root 'welcome#index'/ do
   '  root "home#index"'
 end
 
-insert_into_file "config/spring.rb", "Spring.quiet = true\n", before: /^Spring\.watch/
-
 gsub_file "config/routes.rb", /  # root 'welcome#index'/ do
   '  root "home#index"'
 end