DEV: Apply Rubocop redundant return style

script/import_scripts/discuz_x.rb

@@ -882,7 +882,7 @@ class ImportScripts::DiscuzX < ImportScripts::Base
       return nil
     end
 
-    return upload, real_filename
+    [upload, real_filename]
   end
 
   # find the uploaded file and real name from the db
@@ -938,12 +938,12 @@ class ImportScripts::DiscuzX < ImportScripts::Base
       return nil
     end
 
-    return upload, real_filename
+    [upload, real_filename]
   rescue Mysql2::Error => e
     puts "SQL Error"
     puts e.message
     puts sql
-    return nil
+    nil
   end
 
   def first_exists(*items)

script/import_scripts/disqus.rb

@@ -196,7 +196,7 @@ class DisqusSAX < Nokogiri::XML::SAX::Document
   end
 
   def inside?(*params)
-    return !params.find { |p| !@inside[p] }
+    !params.find { |p| !@inside[p] }
   end
 
   def normalize

script/import_scripts/friendsmegplus.rb

@@ -457,7 +457,7 @@ class ImportScripts::FMGP < ImportScripts::Base
     end
     # FIXME: import G+ "+1" as "like" if F+MG+E feature request implemented
 
-    return mapped
+    mapped
   end
 
   def parse_title(post, created_at)
@@ -524,7 +524,7 @@ class ImportScripts::FMGP < ImportScripts::Base
         words << fragment[1]
       end
     end
-    return words
+    words
   end
 
   def formatted_message(post)
@@ -588,10 +588,10 @@ class ImportScripts::FMGP < ImportScripts::Base
         return text
       end
     elsif fragment[0] == 1
-      return "\n"
+      "\n"
     elsif fragment[0] == 2
       urls_seen.add(fragment[2])
-      return formatted_link_text(fragment[2], fragment[1])
+      formatted_link_text(fragment[2], fragment[1])
     elsif fragment[0] == 3
       # reference to a user
       if @usermap.include?(fragment[2].to_s)
@@ -619,7 +619,7 @@ class ImportScripts::FMGP < ImportScripts::Base
       end
     elsif fragment[0] == 4
       # hashtag, the octothorpe is included
-      return fragment[1]
+      fragment[1]
     else
       raise RuntimeError.new("message code #{fragment[0]} not recognized!")
     end

script/import_scripts/lithium.rb

@@ -855,7 +855,7 @@ SQL
       return nil
     end
 
-    return upload, real_filename
+    [upload, real_filename]
   end
 
   def post_process_posts

script/import_scripts/mybb.rb

@@ -181,7 +181,7 @@ class ImportScripts::MyBB < ImportScripts::Base
     if count > 5
       puts "Warning: probably incorrect quote in post #{post_id}"
     end
-    return username
+    username
   end
 
   # Take an original post id and return the migrated topic id and post number for it

script/import_scripts/smf2.rb

@@ -244,7 +244,7 @@ class ImportScripts::Smf2 < ImportScripts::Base
     raise "Attachment for post #{post[:id]} failed: #{attachment[:filename]}" unless path.present?
     upload = create_upload(post[:user_id], path, attachment[:filename])
     raise "Attachment for post #{post[:id]} failed: #{upload.errors.full_messages.join(', ')}" unless upload.persisted?
-    return upload
+    upload
   rescue SystemCallError => err
     raise "Attachment for post #{post[:id]} failed: #{err.message}"
   end
@@ -280,7 +280,7 @@ class ImportScripts::Smf2 < ImportScripts::Base
     return __query(db, sql).to_a                       if opts[:as] == :array
     return __query(db, sql, as: :array).first[0]       if opts[:as] == :single
     return __query(db, sql, stream: true).each(&block) if block_given?
-    return __query(db, sql, stream: true)
+    __query(db, sql, stream: true)
   end
 
   def __query(db, sql, **opts)
@@ -345,7 +345,7 @@ class ImportScripts::Smf2 < ImportScripts::Base
       end
     end
 
-    return opts[:ignore_quotes] ? body : convert_quotes(body)
+    opts[:ignore_quotes] ? body : convert_quotes(body)
   end
 
   def get_upload_markdown(upload)

script/import_scripts/vbulletin5.rb

@@ -359,12 +359,12 @@ class ImportScripts::VBulletin < ImportScripts::Base
       return nil
     end
 
-    return upload, real_filename
+    [upload, real_filename]
   rescue Mysql2::Error => e
     puts "SQL Error"
     puts e.message
     puts sql
-    return nil
+    nil
   end
 
   def import_attachments