Revert "[Migrator] Migrate local Ruby podspecs to JSON, allowing updating those pods to work."

This reverts commit 1eb3584a.

CHANGELOG.md

@@ -28,10 +28,6 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Hugo Tunius](https://github.com/K0nserv)
   [#2579](https://github.com/CocoaPods/CocoaPods/issues/2579)
 
-* Migrate local Ruby podspecs to JSON, allowing updating those pods to work.  
-  [Samuel Giddins](https://github.com/segiddins)
-  [#3038](https://github.com/CocoaPods/CocoaPods/issues/3038)
-
 
 ## 0.36.0.beta.1
 

lib/cocoapods/installer/migrator.rb

@@ -52,15 +52,6 @@ module Pod
         def migrate_to_0_36(sandbox)
           UI.message('Migrating to CocoaPods 0.36') do
             move(sandbox.root + 'Headers/Build', sandbox.root + 'Headers/Private')
-
-            sandbox.specifications_root.children.each do |child|
-              unless child.ext_name.end_with?('json')
-                spec = Specification.from_file(child)
-                child.delete
-                new_path = child.to_path.gsub(/.json$/, '')
-                Pathname(new_path).write(spec.to_pretty_json)
-              end
-            end
           end
         end