Replace misused term

`Nuke` has a violent origins from nuclear weapons

doc/development/database_debugging.md

@@ -32,7 +32,7 @@ also does `db:reset` and runs DB-specific migrations:
 bundle exec rake dev:setup RAILS_ENV=development
 ```
 
-If your test DB is giving you problems, it is safe to nuke it because it doesn't contain important
+If your test DB is giving you problems, it is safe to delete everything because it doesn't contain important
 data:
 
 ```shell