move memory implementations to core micro repo

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

tracer/noop.go

@@ -1,44 +0,0 @@
-package tracer
-
-import "context"
-
-type noopTracer struct {
-	opts Options
-}
-
-func (n *noopTracer) Name() string {
-	return n.opts.Name
-}
-
-// Init initilize tracer
-func (n *noopTracer) Init(opts ...Option) error {
-	for _, o := range opts {
-		o(&n.opts)
-	}
-	return nil
-}
-
-// Start starts new span
-func (n *noopTracer) Start(ctx context.Context, name string) (context.Context, *Span) {
-	return nil, nil
-}
-
-// Lookup get span from context
-func (n *noopTracer) Lookup(ctx context.Context) (*Span, error) {
-	return nil, nil
-}
-
-// Finish finishes span
-func (n *noopTracer) Finish(*Span) error {
-	return nil
-}
-
-// Read reads span
-func (n *noopTracer) Read(...ReadOption) ([]*Span, error) {
-	return nil, nil
-}
-
-// NewTracer returns new noop tracer
-func NewTracer(opts ...Option) Tracer {
-	return &noopTracer{opts: NewOptions(opts...)}
-}