Remove unecessary commit pattern check

app/workers/process_commit_worker.rb

@@ -25,8 +25,6 @@ class ProcessCommitWorker
 
     commit = build_commit(project, commit_hash)
 
-    return unless commit.matches_cross_reference_regex?
-
     author = commit.author || user
 
     process_commit_message(project, commit, user, author, default)
@@ -80,7 +78,7 @@ class ProcessCommitWorker
 
   private
 
-  # Avoid to re-process commits messages that already exists in the upstream
+  # Avoid reprocessing commits that already exist in the upstream
   # when project is forked. This will also prevent duplicated system notes.
   def commit_exists_in_upstream?(project, commit_hash)
     return false unless project.forked?

spec/workers/process_commit_worker_spec.rb

@@ -20,14 +20,6 @@ describe ProcessCommitWorker do
       worker.perform(project.id, -1, commit.to_hash)
     end
 
-    it 'does not process the commit when no issues are referenced' do
-      allow(worker).to receive(:build_commit).and_return(double(matches_cross_reference_regex?: false))
-
-      expect(worker).not_to receive(:process_commit_message)
-
-      worker.perform(project.id, user.id, commit.to_hash)
-    end
-
     it 'processes the commit message' do
       expect(worker).to receive(:process_commit_message).and_call_original