Strip the remaining comments from db/migrate/, so no Ruby source in the
repo carries it (redundant under Ruby 4.0, which freezes string literals
by default).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N92HLTepkg3AtRpDUyZ54o

diff --git a/db/migrate/001_create_documents.rb b/db/migrate/001_create_documents.rb
index 29268a3..b4e7cf7 100644
--- a/db/migrate/001_create_documents.rb
+++ b/db/migrate/001_create_documents.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 Sequel.migration do
   change do
     create_table(:documents) do
diff --git a/db/migrate/002_create_files.rb b/db/migrate/002_create_files.rb
index 4f85b68..72b21ac 100644
--- a/db/migrate/002_create_files.rb
+++ b/db/migrate/002_create_files.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 Sequel.migration do
   change do
     create_table(:files) do
diff --git a/db/migrate/003_create_assets.rb b/db/migrate/003_create_assets.rb
index a153001..8957de4 100644
--- a/db/migrate/003_create_assets.rb
+++ b/db/migrate/003_create_assets.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 Sequel.migration do
   change do
     create_table(:assets) do
diff --git a/db/migrate/004_create_asset_attachments.rb b/db/migrate/004_create_asset_attachments.rb
index 432abea..7424537 100644
--- a/db/migrate/004_create_asset_attachments.rb
+++ b/db/migrate/004_create_asset_attachments.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 Sequel.migration do
   change do
     create_table(:asset_attachments) do
diff --git a/db/migrate/005_add_description_to_assets.rb b/db/migrate/005_add_description_to_assets.rb
index 07bd7b6..668a756 100644
--- a/db/migrate/005_add_description_to_assets.rb
+++ b/db/migrate/005_add_description_to_assets.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 Sequel.migration do
   change do
     alter_table(:assets) do