chore: Remove repetition of matcherName and options in matchers (#8224)

* chore: Remove repetition of matcherName and options in matchers

* Update CHANGELOG.md

* Remove unnecessary comment variable in toBe

Author: pedrottimark

CHANGELOG.md

@@ -52,6 +52,7 @@
 - `[*]` Add `jest-watch-typeahead` as a devDependency ([#6449](https://github.com/facebook/jest/pull/6449))
 - `[*]` upgrade TS to 3.4.0-dev\* for inceremental builds ([#8149](https://github.com/facebook/jest/pull/8149))
 - `[docs]` Improve description of optional arguments in ExpectAPI.md ([#8126](https://github.com/facebook/jest/pull/8126)
+- `[expect]` Remove repetition of matcherName and options in matchers ([#8224](https://github.com/facebook/jest/pull/8224)
 
 ### Performance