Revert "bucket: refactor policies and fix bugs related to enforcing policies. (#2766)"

This reverts commit ca5ca8332b.

cmd/test-utils_test.go

@@ -1298,7 +1298,6 @@ func initTestAPIEndPoints(objLayer ObjectLayer, apiFunctions []string) http.Hand
 	// initialize a new mux router.
 	// goriilla/mux is the library used to register all the routes and handle them.
 	muxRouter := router.NewRouter()
-
 	// All object storage operations are registered as HTTP handlers on `objectAPIHandlers`.
 	// When the handlers get a HTTP request they use the underlyting ObjectLayer to perform operations.
 	objLayerMutex.Lock()