Simplify contributing section in index.md

Removed unnecessary notice about following the 5 Wikipedian Pillars.

Author: Snorfield

docs/index.md

@@ -29,7 +29,7 @@ Other shading langages, such as Godot's shader language, are quite similar to GL
 
 All contributions are welcomed, and the contribution guide can be viewed on the [github repository](https://github.com/Snorfield/The-Library-Of-Shaders). This library is built by developers for developers, and we appreciate everyone's help.
 
-NOTICE: This should go without being said, but we strive to follow the principals of the [5 Wikipedian Pillars](https://en.wikipedia.org/wiki/Wikipedia:Five_pillars). Thanks for your understanding and have a good day!
+This should go without being said, but we strive to follow the principals of the [5 Wikipedian Pillars](https://en.wikipedia.org/wiki/Wikipedia:Five_pillars). 
 
 ## Licensing and Copyright