Revert "Install binstubs by default"

This reverts commit f34c27a4.

We'll be taking a different tack on this with new `bundle binstubs <gem>` support.

railties/lib/rails/generators/app_base.rb

@@ -261,7 +261,7 @@ def bundle_command(command)
       end
 
       def run_bundle
-        bundle_command('install --binstubs') unless options[:skip_gemfile] || options[:skip_bundle] || options[:pretend]
+        bundle_command('install') unless options[:skip_gemfile] || options[:skip_bundle] || options[:pretend]
       end
 
       def empty_directory_with_keep_file(destination, config = {})

railties/test/generators/shared_generator_tests.rb

@@ -27,7 +27,7 @@ def test_skeleton_is_created
   end
 
   def test_generation_runs_bundle_install
-    generator([destination_root]).expects(:bundle_command).with('install --binstubs').once
+    generator([destination_root]).expects(:bundle_command).with('install').once
     quietly { generator.invoke_all }
   end
 
@@ -101,14 +101,14 @@ def test_template_is_executed_when_supplied_an_https_path
   end
 
   def test_dev_option
-    generator([destination_root], dev: true).expects(:bundle_command).with('install --binstubs').once
+    generator([destination_root], dev: true).expects(:bundle_command).with('install').once
     quietly { generator.invoke_all }
     rails_path = File.expand_path('../../..', Rails.root)
     assert_file 'Gemfile', /^gem\s+["']rails["'],\s+path:\s+["']#{Regexp.escape(rails_path)}["']$/
   end
 
   def test_edge_option
-    generator([destination_root], edge: true).expects(:bundle_command).with('install --binstubs').once
+    generator([destination_root], edge: true).expects(:bundle_command).with('install').once
     quietly { generator.invoke_all }
     assert_file 'Gemfile', %r{^gem\s+["']rails["'],\s+github:\s+["']#{Regexp.escape("rails/rails")}["']$}
   end