Update API docs

README.md

@@ -14,19 +14,9 @@ Cataloguing businesses with policies against Google Glass.
 
 All businesses for that location will be returned inside a `businesses` array.
 
-#### Find businesses near latlng coords (yet to be implemented)
+#### Find businesses near latlng coords
 
 `GET /api/businesses?lat={latitude}&lng={longitude}&radius={radius_in_meters}`
 
 Return all businesses within a search radius. Lat and lng are required, radius defaults to 1000 meters if omitted. Results are sorted by distance from specified lat/lng.
 
-#### Create a business
-
-`POST /api/businesses`
-
-#### Create an account
-
-#### Signing in
-
-#### Signing out
-