[rubygems/rubygems] Remove unnecessary `local` helper

https://github.com/rubygems/rubygems/commit/27ed6870ce

spec/bundler/commands/check_spec.rb

@@ -172,7 +172,7 @@ RSpec.describe "bundle check" do
           rack (1.0.0)
 
       PLATFORMS
-        #{local}
+        #{generic_local_platform}
         #{not_local}
 
       DEPENDENCIES
@@ -203,7 +203,7 @@ RSpec.describe "bundle check" do
           rack (1.0.0)
 
       PLATFORMS
-        #{local}
+        #{generic_local_platform}
         #{not_local}
 
       DEPENDENCIES

spec/bundler/install/deploy_spec.rb

@@ -141,7 +141,7 @@ RSpec.describe "install in deployment or frozen mode" do
             rack (1.0.0)
 
         PLATFORMS
-          #{local}
+          #{generic_local_platform}
 
         DEPENDENCIES
           rack

spec/bundler/support/platforms.rb

@@ -52,10 +52,6 @@ module Spec
       [rb, java, linux, windows_platforms].flatten
     end
 
-    def local
-      generic_local_platform
-    end
-
     def specific_local_platform
       Bundler.local_platform
     end