Replace ru and sr GPLv3 dictionaries with the similar dictionaries under GPLv2

:Release Notes:
Because of incompatibilities of GPLv3 there is a obligatoriness to replace
them with dictionaries under GPLv2

:Detailed Notes:
Replace ru and sr dict and aff files with similar ones but with
compatible lisence which are found in the www.

:Testing Performed:

:QA Notes:

:Issues Addressed:
[ANG-4409][Open Source Compliance] Confirm the license of smartkey-hun-data

Open-webOS-DCO-1.0-Signed-off-by: Andrii Motsok <andrii.motsok@lge.com>

Change-Id: I09ff373fc4ce0dcd371ba2c34f500510c7c398ab
Reviewed-on: https://g2g.palm.com/5237
Reviewed-by: DCO Verification
Reviewed-by: Andrii Motsok <andrii.motsok@lge.com>
Tested-by: Andrii Motsok <andrii.motsok@lge.com>
Reviewed-by: Igor Kuksyuk <igor.kuksiuk@lge.com>