docs(website): remove extra symbols (#509)

packages/docs/content/get-started/03_tools.en.md

@@ -8,11 +8,11 @@ title: Tools
 
 A simple and insightful way to handle the complexity of form validation.
 
-#### [cerebral-module-useragent](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-module-useragent) -
+#### [cerebral-module-useragent](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-module-useragent)
 Produces state related to useragent, media, window size, network status etc.
 
-####  [cerebral-provider-firebase](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-provider-firebase) -
+####  [cerebral-provider-firebase](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-provider-firebase)
 A simplifying wrapper around firebase client, making developing firebase applications a breeze
 
-#### [cerebral-provider-http](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-provider-http) -
+#### [cerebral-provider-http](https://github.com/cerebral/cerebral/tree/master/packages/cerebral-provider-http)
 A JSON http provider with file upload and ability to abort requests