remove Laravel specific message from contributing document

Shawn McCool · Shawn McCool · commit 67f088a82fc7 · 2013-09-29T10:39:14.000+02:00
[trigger:composer]
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,3 +1,2 @@
 # Contribution Guidelines
 
-Please submit all issues and pull requests to the [laravel/framework](http://github.com/laravel/framework) repository!

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,2 @@`
`1`	`1`	`# Contribution Guidelines`
`2`	`2`
`3`		`-Please submit all issues and pull requests to the [laravel/framework](http://github.com/laravel/framework) repository!`