Simplify Ci::Build#dependencies method

app/models/ci/build.rb

@@ -542,18 +542,13 @@ module Ci
     def dependencies
       depended_jobs = depends_on_builds
 
-      return depended_jobs unless options[:dependencies] && !options[:dependencies].empty?
+      return depended_jobs unless options[:dependencies].present?
 
-      selected = []
-      depended_jobs.each do |job|
-        options[:dependencies].each do |job_name|
-          selected << job if job.name == job_name
+      depended_jobs.select do |job|
+        options[:dependencies].include?(job.name)
       end
     end
 
-      selected
-    end
-
     private
 
     def update_artifacts_size