mesa: remove drirc file

mesa: remove drirc file

* it's packaged in libdricore package and prevents upgrading it
  when debian.bbclass is enabled
  * check_data_file_clashes: Package libdricore9.1.3-1 wants to install file /etc/drirc
        But that file is already provided by package  * libdricore9.0.2-1
* we can move it to separate packages, but it isn't very useful now, there
  aren't many gamers using mesa on embedded devices

(From OE-Core rev: d56e0c0e315acdb0ba5db7a539970d64678c1f7a)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>