recwatch: Remove the ConfigWatch functionality

This is some now dead code which was buggy and badly written. Time to
get rid of unnecessary technical debt so that we can move forward!

yamlgraph/gapi.go

@@ -24,7 +24,6 @@ import (
 
 	"github.com/purpleidea/mgmt/gapi"
 	"github.com/purpleidea/mgmt/pgraph"
-	"github.com/purpleidea/mgmt/recwatch"
 	"github.com/purpleidea/mgmt/resources"
 
 	errwrap "github.com/pkg/errors"
@@ -46,11 +45,10 @@ func init() {
 type GAPI struct {
 	InputURI string // input URI of file system containing yaml graph to use
 
-	data          gapi.Data
-	initialized   bool
-	closeChan     chan struct{}
-	wg            sync.WaitGroup // sync group for tunnel go routines
-	configWatcher *recwatch.ConfigWatcher
+	data        gapi.Data
+	initialized bool
+	closeChan   chan struct{}
+	wg          sync.WaitGroup // sync group for tunnel go routines
 }
 
 // Cli takes a cli.Context, and returns our GAPI if activated. All arguments
@@ -103,7 +101,6 @@ func (obj *GAPI) Init(data gapi.Data) error {
 	obj.data = data // store for later
 	obj.closeChan = make(chan struct{})
 	obj.initialized = true
-	obj.configWatcher = recwatch.NewConfigWatcher()
 	return nil
 }
 
@@ -197,7 +194,6 @@ func (obj *GAPI) Close() error {
 	if !obj.initialized {
 		return fmt.Errorf("%s: GAPI is not initialized", Name)
 	}
-	obj.configWatcher.Close()
 	close(obj.closeChan)
 	obj.wg.Wait()
 	obj.initialized = false // closed = true