Remove new in series scope

app/models/submission.rb

@@ -59,7 +59,6 @@ class Submission < ApplicationRecord
   scope :before_deadline, ->(deadline) { where(submissions: { created_at: ...deadline }) }
   scope :in_time_range, ->(start_date, end_date) { where(created_at: start_date.to_datetime..end_date.to_datetime) }
   scope :in_course, ->(course) { where course_id: course&.id }
-  scope :in_series, ->(series) { where series_id: series&.id }
   scope :in_series, ->(series) { where(course_id: series.course.id).where(exercise: series.exercises) }
   scope :of_judge, ->(judge) { where(exercise_id: Exercise.where(judge_id: judge.id)) }
   scope :from_students, ->(course) { where(user: course.enrolled_members) }