Revert "update Profile.search route"

This reverts commit 1c47f487070d2989e35edbd94281ffa8b70d4f48.
Revert "add Profile.search method"

This reverts commit 08c619b4d68f4946f9236b3f075a14f94a7836f9.
fix Profile.all method to accept :q as an option

The :q option is short for query.  This option will get all the profiles
that match (postgresql trigram full-text search).