[Style guide] Remove old recommendation for numbered lists (#17715)

Author: pedrosousa

src/content/docs/style-guide/formatting/structure/lists.mdx

@@ -1,7 +1,6 @@
 ---
 pcx_content_type: concept
 title: Lists
-
 ---
 
 There are three types of lists:
@@ -15,7 +14,6 @@ Here are some tips when creating lists:
 * Keep list items parallel
 * Start numbered lists with a command (imperative verb)
 * Consistently punctuate by using appropriate sentence + punctuation within the list (periods for full sentences, etc.)
-* For numbered lists in markdown, only use 1 as your number. Since markdown auto-creates the numbering, you could get into a situation where you remove a step and the markdown no longer matches the output.
 
 ## Bullet points