chore: TODO cleanup (open-telemetry#439)

* chore: cleanup closed issues

* chore: update basic tracer

* chore: clear open-telemetry#59

* chore: clear todo in DEFAULT_CONFIG

Author: mayurkale22

packages/opentelemetry-tracing/src/Span.ts

@@ -25,7 +25,6 @@ import { TraceParams } from './types';
  * This class represents a span.
  */
 export class Span implements types.Span, ReadableSpan {
-  private readonly _tracer: types.Tracer;
   // Below properties are included to implement ReadableSpan for export
   // purposes but are not intended to be written-to directly.
   readonly spanContext: types.SpanContext;
@@ -55,7 +54,6 @@ export class Span implements types.Span, ReadableSpan {
     parentSpanId?: string,
     startTime: types.TimeInput = hrTime()
   ) {
-    this._tracer = parentTracer;
     this.name = spanName;
     this.spanContext = spanContext;
     this.parentSpanId = parentSpanId;
@@ -67,10 +65,6 @@ export class Span implements types.Span, ReadableSpan {
     this._spanProcessor.onStart(this);
   }
 
-  tracer(): types.Tracer {
-    return this._tracer;
-  }
-
   context(): types.SpanContext {
     return this.spanContext;
   }

packages/opentelemetry-tracing/src/config.ts

@@ -47,6 +47,4 @@ export const DEFAULT_CONFIG = {
     numberOfLinksPerSpan: DEFAULT_MAX_LINKS_PER_SPAN,
     numberOfEventsPerSpan: DEFAULT_MAX_EVENTS_PER_SPAN,
   },
-  // @todo add support for plugins
-  // plugins: {},
 };

packages/opentelemetry-tracing/test/Span.test.ts

@@ -45,7 +45,6 @@ describe('Span', () => {
   it('should create a Span instance', () => {
     const span = new Span(tracer, name, spanContext, SpanKind.SERVER);
     assert.ok(span instanceof Span);
-    assert.strictEqual(span.tracer(), tracer);
     span.end();
   });
 

packages/opentelemetry-types/src/trace/span.ts

@@ -34,13 +34,6 @@ export interface Span {
    */
   context(): SpanContext;
 
-  // /**
-  //  * # TODO
-  //  * Returns the Tracer object used to create this Span.
-  //  * https://github.com/open-telemetry/opentelemetry-specification/issues/21
-  //  */
-  // tracer(): Tracer;
-
   /**
    * Sets an attribute to the span.
    *
@@ -85,8 +78,6 @@ export interface Span {
   /**
    * Updates the Span name.
    *
-   * TODO (revision): https://github.com/open-telemetry/opentelemetry-specification/issues/119
-   *
    * @param name the Span name.
    */
   updateName(name: string): this;
@@ -102,7 +93,6 @@ export interface Span {
    *
    * @param [endTime] the time to set as Span's end time. If not provided,
    *     use the current time as the span's end time.
-   *     TODO (Add timestamp format): https://github.com/open-telemetry/opentelemetry-js/issues/19
    */
   end(endTime?: TimeInput): void;
 

packages/opentelemetry-types/src/trace/status.ts

@@ -27,8 +27,6 @@ export interface Status {
 
 /**
  * An enumeration of canonical status codes.
- *
- * TODO (revision): https://github.com/open-telemetry/opentelemetry-specification/issues/59
  */
 export enum CanonicalCode {
   /**