Delete logErrorNotImplemented method

.golangci.yml

@@ -18,8 +18,6 @@ issues:
   exclude:
     - "Error return value of `io.WriteString` is not checked" # 'errcheck' errors in tools/dep_tree_resolver/go_deps.go
     - "Error return value of `pem.Encode` is not checked" # 'errcheck' errors in test/integration/utils/certificates.go
-    - "Error return value of `c.logErrorNotImplemented` is not checked" # 'errcheck' errors in pkg/config/nodetreemodel/config.go
-    - "Error return value of `n.logErrorNotImplemented` is not checked" # 'errcheck' errors in pkg/config/nodetreemodel/config.go
     - "exported: exported const Exec should have comment \\(or a comment on this block\\) or be unexported" # 'revive' errors in pkg/process/events/model/model_common.go
     - "exported: exported const APIName should have comment \\(or a comment on this block\\) or be unexported" # 'revive' errors in pkg/serverless/trace/inferredspan/constants.go
     - "unnecessary conversion" # 'unconvert' errors in test/integration/utils/certificates_test.go

pkg/config/nodetreemodel/config.go

@@ -128,12 +128,6 @@ type NodeTreeConfig interface {
 	GetNode(string) (Node, error)
 }
 
-func (c *ntmConfig) logErrorNotImplemented(method string) error {
-	err := fmt.Errorf("not implemented: %s", method)
-	log.Error(err)
-	return err
-}
-
 // OnUpdate adds a callback to the list of receivers to be called each time a value is changed in the configuration
 // by a call to the 'Set' method.
 // Callbacks are only called if the value is effectively changed.