remove :clean param from some feature specs

spec/features/advanced_search_spec.rb

@@ -1,9 +1,5 @@
 # frozen_string_literal: true
-RSpec.feature 'Advanced search form', :clean, :js do
-  before do
-    # add some stuff to the index
-  end
-
+RSpec.feature 'Advanced search form' do
   scenario 'the advanced search form' do
     visit '/advanced'
 

spec/features/create_image_spec.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.feature 'Create an Image', :clean, :js do
+RSpec.feature 'Create an Image', :js do
   before do
     stub_request(:get, subject_uri)
     # Only enqueue the ingest job, not charactarization.

spec/features/create_publication_spec.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-RSpec.feature 'Create a Publication', :clean, :js do
+RSpec.feature 'Create a Publication', :js do
   before do
     stub_request(:get, subject_uri)
     # Only enqueue the ingest job, not charactarization.

spec/features/create_student_work_spec.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-RSpec.feature 'Create a StudentWork', :clean, :js do
+RSpec.feature 'Create a StudentWork', :js do
   before do
     stub_request(:get, subject_uri)