Merge pull request #2197 from duese/update_doc

Update contribution guide.

guides/Contributing.md

@@ -23,26 +23,22 @@
 - lines should have a **round cap & round corners**
 - the icons should be drawn in **white**
 - dots should be a circle with a **radius of 0,5px** (i.e. total size = 1,5 x 1,5 px)
-- try to be consistent with sizing your icons, make sure it's not to big or small (use the templates as a reference)
+- try to be consistent with sizing your icons, make sure it's not too big or small (use the templates as a reference)
 - we don't accept files that are directly image traced, they are a mess to work with and look sloppy
 - if you use any letters or numbers make sure to use the font document from the templates folder
 - make sure that your SVG file names do not contain any special characters like +-.,!
 - upload the SVG files into the `/newicons` directory
 
 ### Some features
 
-Before contributing SVG icons, open them inside a text editor and check for the following features. If your icon contains **any** of these SVG features, please replace them before submitting a pull request!
+Before contributing SVG icons, open them inside a text editor and check for the following features. If your icon 
+contains **any** of these SVG features, please replace them before submitting a pull request!
 
-    - transform elements
     - fill-rule:evenodd
     - scientific e-notation
 
 ### How to Replace
 
-- **transform elements**: there are several methods to remove this
-  - delete all transform attributes
-  - combine one of the transform objects with another one
-  - un-group the objects
 - **fill-rule:evenodd**: these can just be deleted
 - **scientific e-notation**: replace them with the normal notation