build: drop redundant editorconfig comments

The comments in .editorconfig do not add any real value. The directives
in the configuration should be self-describing. Furthermore, the
Editorconfig project is easy to search for online, so no need to include
and maintain URIs here.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>

.editorconfig

@@ -1,17 +1,11 @@
-# EditorConfig configuration for base
-# http://EditorConfig.org
-
-# top-most EditorConfig file
 root = true
 
-# Unix-style newlines with a newline ending every file, utf-8 charset
 [*]
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
 charset = utf-8
 
-# match config files, set indent to spaces with width of eight
 [*.{c,h}]
 indent_style = space
 indent_size = 8