Fix Lerna links (#1286)

* Fix lerna links

* Remove new line

docs/contributing.mdx

@@ -148,5 +148,5 @@ If you’re having issues installing locally you might need to run
 [unit-test]: https://twitter.com/sindresorhus/status/579306280495357953
 [collective]: https://opencollective.com/unified
 [micromark]: https://github.com/micromark/micromark
-[lerna]: https://lernajs.io
+[lerna]: https://lerna.js.org
 [lerna-install]: https://github.com/lerna/lerna/issues/1457

packages/mdx/readme.md

@@ -1,7 +1,6 @@
 # `@mdx-js/mdx`
 
 [![Build Status][build-badge]][build]
-[![lerna][lerna-badge]][lerna]
 [![Chat][chat-badge]][chat]
 
 [MDX][] implementation using [remark][].
@@ -54,8 +53,6 @@ abide by its terms.
 
 [build]: https://travis-ci.com/mdx-js/mdx
 [build-badge]: https://travis-ci.com/mdx-js/mdx.svg?branch=master
-[lerna]: https://lernajs.io/
-[lerna-badge]: https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg
 [chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg
 [chat]: https://github.com/mdx-js/mdx/discussions
 [contributing]: https://mdxjs.com/contributing

packages/remark-mdx-remove-exports/readme.md

@@ -1,7 +1,6 @@
 # [remark][]-[mdx][]-remove-exports
 
 [![Build Status][build-badge]][build]
-[![lerna][lerna-badge]][lerna]
 [![Chat][chat-badge]][chat]
 
 Deprecated!
@@ -20,8 +19,6 @@ used as `remove(tree, 'mdxjsEsm')`.
 
 [build]: https://travis-ci.com/mdx-js/mdx
 [build-badge]: https://travis-ci.com/mdx-js/mdx.svg?branch=master
-[lerna]: https://lernajs.io/
-[lerna-badge]: https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg
 [chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg
 [chat]: https://github.com/mdx-js/mdx/discussions
 [contributing]: https://mdxjs.com/contributing

packages/remark-mdx-remove-imports/readme.md

@@ -1,7 +1,6 @@
 # [remark][]-[mdx][]-remove-imports
 
 [![Build Status][build-badge]][build]
-[![lerna][lerna-badge]][lerna]
 [![Chat][chat-badge]][chat]
 
 Deprecated!
@@ -20,8 +19,6 @@ used as `remove(tree, 'mdxjsEsm')`.
 
 [build]: https://travis-ci.com/mdx-js/mdx
 [build-badge]: https://travis-ci.com/mdx-js/mdx.svg?branch=master
-[lerna]: https://lernajs.io/
-[lerna-badge]: https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg
 [chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg
 [chat]: https://github.com/mdx-js/mdx/discussions
 [contributing]: https://mdxjs.com/contributing

packages/remark-mdxjs/readme.md

@@ -1,7 +1,6 @@
 # remark-mdxjs
 
 [![Build Status][build-badge]][build]
-[![lerna][lerna-badge]][lerna]
 [![Join the community on Spectrum][spectrum-badge]][spectrum]
 
 Deprecated!
@@ -15,8 +14,6 @@ The previous behavior is now in `remark-mdx`.
 
 [build]: https://travis-ci.com/mdx-js/mdx
 [build-badge]: https://travis-ci.com/mdx-js/mdx.svg?branch=master
-[lerna]: https://lernajs.io/
-[lerna-badge]: https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg
 [spectrum]: https://spectrum.chat/mdx
 [spectrum-badge]: https://withspectrum.github.io/badge/badge.svg
 [contributing]: https://mdxjs.com/contributing