Inconsistent schema - index

Remove index_suggestions_on_note_id index

Changelog: fixed

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/349549

db/migrate/20220107165036_remove_note_id_index.rb

+# frozen_string_literal: true
+
+class RemoveNoteIdIndex < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  TABLE = :suggestions
+  INDEX_NAME = 'index_suggestions_on_note_id'
+
+  def up
+    remove_concurrent_index_by_name TABLE, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index TABLE, :note_id, name: INDEX_NAME
+  end
+end

db/schema_migrations/20220107165036

+72639ba84675a6687864ef4cb6f02d0429124d7deb9ce9f3c8e255591e2f0a8d
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