Resolved bug 1293 - Remove all references of peewee, mysql, libmysql-dev as...

Resolved bug 1293 - Remove all references of peewee, mysql, libmysql-dev as mysql is not supported anymore.

Change-Id: Iab527c7b76d7c5a47cbe653686ae32381f91b414
Signed-off-by: agarwalat <atul.agarwal@altran.com>