Move database logic into separate subdirectory

I'm trying to see if this speeds up builds a bit. May not without a
module boundary, but for now it's nice organization to have as the
program grows.

sql/traplocation_by_source_id.bob.sql

@@ -1,17 +0,0 @@
--- Code generated by BobGen psql v0.41.1. DO NOT EDIT.
--- This file is meant to be re-generated in place and/or deleted at any time.
-
--- TrapLocationBySourceID
-SELECT 
-	tl.globalid AS trap_location_globalid,
-	ST_Distance(pl.geom, tl.geom) AS distance
-FROM 
-	fs_pointlocation pl
-CROSS JOIN
-	fs_traplocation tl
-WHERE 
-	tl.organization_id = $1 AND
-	pl.globalid = $2
-ORDER BY 
-	ST_Distance(pl.geom, tl.geom)
-LIMIT 4;