get rid of search root usage

not sure why this was added in the first place.
from what I've seen, bundler doesn't really do dependency nesting.
additionally, what was returned from spec_root
looks an awful lot like the specifications gem_dir

lib/licensed/sources/bundler.rb

@@ -12,9 +12,9 @@ module Licensed
       class Dependency < Licensed::Dependency
         attr_reader :loaded_from
 
-        def initialize(name:, version:, path:, loaded_from:, search_root:, errors: [], metadata: {})
+        def initialize(name:, version:, path:, loaded_from:, errors: [], metadata: {})
           @loaded_from = loaded_from
-          super name: name, version: version, path: path, errors: errors, metadata: metadata, search_root: search_root
+          super name: name, version: version, path: path, errors: errors, metadata: metadata
         end
 
         # Load a package manager file from the base Licensee::Projects::FsProject
@@ -62,7 +62,6 @@ module Licensed
               version: spec.version.to_s,
               path: spec.gem_dir,
               loaded_from: spec.loaded_from,
-              search_root: spec_root(spec),
               errors: Array(error),
               metadata: {
                 "type"     => Bundler.type,
@@ -91,20 +90,6 @@ module Licensed
         end
       end
 
-      # Returns a search root for a specification, one of:
-      # - the local bundler gem location
-      # - the system rubygems install gem location
-      # - nil
-      def spec_root(spec)
-        return if spec.gem_dir.nil?
-        root = [Gem.default_dir, Gem.dir].find { |dir| spec.gem_dir.start_with?(dir) }
-        return unless root
-
-        path = "#{root}/gems/#{spec.full_name}"
-        return unless File.exist?(path)
-        path
-      end
-
       # Build the bundler definition
       def definition
         @definition ||= ::Bundler::Definition.build(gemfile_path, lockfile_path, nil)

test/sources/bundler_test.rb

@@ -248,21 +248,6 @@ if Licensed::Shell.tool_available?("bundle")
           assert_equal "apache-2.0", dep.license_key
         end
       end
-
-      it "sets a search root relative to the bundler gem dir for bundled gems" do
-        Dir.chdir(fixtures) do
-          dep = source.dependencies.find { |d| d.name == "semantic" }
-          assert_equal "#{Gem.dir}/gems/#{dep.name}-#{dep.version}", dep.instance_variable_get("@root")
-        end
-      end
-
-      it "sets a search root relative to the system gem dir for system gems" do
-        Dir.chdir(fixtures) do
-          dep = source.dependencies.find { |d| d.name == "bundler" }
-          assert dep
-          assert_equal "#{Gem.default_dir}/gems/#{dep.name}-#{dep.version}", dep.instance_variable_get("@root")
-        end
-      end
     end
 
     describe "when run in ruby packer runtime" do