Remove useless file

markdown.txt

@@ -1,40 +0,0 @@
-# Header 1
-## Header 2
-### Header 3
-#### Header 4
-##### Header 5
-###### Header 6
-
-This is a paragraph.
-
-This is another one. They are separated by 2 new lines.
-So this one is the same paragraph.  
-And to have a line break, leave 2 trailing whitespaces, like
-in the previous line.
-
-And there is **bold text**. And *italic*
-
-> Blockquoted.
->
-> With multiple paragraphs.
->> And a nested quote.
-
-1. Ordered list
-2. Very orderly
-3. And nice
-
-- Unordered list
-- Messy
-- But nice too
-
-`inline code here`
-
-```
-Block code
-```
-
-![Image alt description](/url/to/image)
-
-[Links are similar](https://linksomewhere.com)
-
-Inline <em>HTML</em> is possible