sql_dbpool_enabled not passed to configured_db nvp_plugin

Introduced in 7b5f6fd6. Fixes bug 1095856

Change-Id: I34cca7cb489013b033a7426b37bbf9989f87e7ec
Remove unused imports in debug package

Change-Id: I1fa599e38be86025d69649f8653f4ee28c6f3198
Merge "sql_dbpool_enabled not passed to configured_db nvp_plugin"