docs: remove createMetric

Author: wkillerud

README.md

@@ -4,8 +4,6 @@
 [![GitHub Actions status](https://github.com/metrics-js/prometheus-consumer/workflows/Run%20Lint%20and%20Tests/badge.svg)](https://github.com/metrics-js/test-consumer/actions?query=workflow%3A%22Run+Lint+and+Tests%22)
 [![Known Vulnerabilities](https://snyk.io/test/github/metrics-js/prometheus-consumer/badge.svg?targetFile=package.json)](https://snyk.io/test/github/metrics-js/test-consumer?targetFile=package.json)
 
-
-
 This module is a memory based consumer for metrics streams to be used in tests. The purpose of the module is to make writing tests and asserting metrics easier.
 It takes a metric stream generated by @metrics/client and makes the collected metrics available as an array.
 
@@ -22,32 +20,31 @@ const MetricsClient = require("@metrics/client");
 const TestConsumer = require("@metrics/test-consumer");
 
 test("some test case", async () => {
-  // Pass in the metrics client you want to consume.
-  const metrics = new MetricsClient();
-  const testHelper = new TestConsumer(metrics);
-  // Sets up the consumer to capture events.
-  testHelper.start();
+	// Pass in the metrics client you want to consume.
+	const metrics = new MetricsClient();
+	const testHelper = new TestConsumer(metrics);
+	// Sets up the consumer to capture events.
+	testHelper.start();
 
-  // 👋 Your code which produces some kind of metric goes here.
+	// 👋 Your code which produces some kind of metric goes here.
 
-  // Ends the streams, now we can get the result.
-  testHelper.stop();
+	// Ends the streams, now we can get the result.
+	testHelper.stop();
 
-  const result = await testHelper.getResults();
-  const metric = result.find((m) => m.name === "some_counter");
+	const result = await testHelper.getResults();
+	const metric = result.find((m) => m.name === "some_counter");
 
-  assert.ok(metric, "Expected to find metric some_counter");
-  assert.equal(metric.value, 2);
+	assert.ok(metric, "Expected to find metric some_counter");
+	assert.equal(metric.value, 2);
 });
 ```
 
 ## API
 
--   [constructor](#constructormetrics)
-    -   [start](#start)
-    -   [stop](#stop)
-    -  [getResults](#async-getresults)
-- [createMetrics](#createmetrics)
+- [constructor](#constructormetrics)
+  - [start](#start)
+  - [stop](#stop)
+  - [getResults](#async-getresults)
 
 ### constructor(metrics)
 
@@ -64,7 +61,3 @@ Ends the stream setup for the client, returns a Promise which resolves to an arr
 ### async .getResults()
 
 Returns a promise which resolves to an array containing collected `[@metrics/metrics](https://metrics-js.github.io/reference/metric/)` objects.
-
-### createMetrics
-
-Utility object with functions for creating mock `Metric` objects, has the functions `.timer` and `.counter`.