[rubygems/rubygems] Remove unnecessary replacement of locked dependencies sources

The `converge_dependencies` method already replaces the source of the
dependency with an equivalent source from the Gemfile if possible.

ruby/rubygems@a449e7ba19

Author: deivid-rodriguez

lib/bundler/definition.rb

@@ -917,9 +917,6 @@ def converge_path_sources_to_gemspec_sources
       @locked_specs.each do |spec|
         spec.source &&= converge_path_source_to_gemspec_source(spec.source)
       end
-      @locked_deps.each do |_, dep|
-        dep.source &&= converge_path_source_to_gemspec_source(dep.source)
-      end
     end
 
     def converge_sources