docs(README): remove redundant pub badge (#125)

Author: felangel

README.md

@@ -3,7 +3,6 @@
 
 [![ci][ci_badge]][ci_link]
 [![coverage][coverage_badge]][ci_link]
-[![pub package][pub_badge]][pub_link]
 [![style: very good analysis][very_good_analysis_badge]][very_good_analysis_link]
 [![License: MIT][license_badge]][license_link]
 [![Powered by Mason](https://img.shields.io/endpoint?url=https%3A%2F%2Ftinyurl.com%2Fmason-badge)](https://github.com/felangel/mason)
@@ -116,8 +115,6 @@ Dart Frog provides a simple core with a small API surface area in order to reduc
 [license_link]: https://opensource.org/licenses/MIT
 [logo_black]: https://raw.githubusercontent.com/VeryGoodOpenSource/dart_frog/main/assets/dart_frog_logo_black.png#gh-light-mode-only
 [logo_white]: https://raw.githubusercontent.com/VeryGoodOpenSource/dart_frog/main/assets/dart_frog_logo_white.png#gh-dark-mode-only
-[pub_badge]: https://img.shields.io/pub/v/dart_frog.svg
-[pub_link]: https://pub.dartlang.org/packages/dart_frog
 [very_good_analysis_badge]: https://img.shields.io/badge/style-very_good_analysis-B22C89.svg
 [very_good_analysis_link]: https://pub.dev/packages/very_good_analysis
 [very_good_ventures_link]: https://verygood.ventures