remove mysql specific prepared statement file
remove mysql specific prepared statement file

currently only Postgres is being used for PoC

chef/opscode-pushy-client,chef/opscode-pushy-client,MSch/opscode-pushy-server,chef/opscode-pushy-client,chef/opscode-pushy-server,chef/opscode-pushy-server,chef/opscode-pushy-server,MSch/opscode-pushy-server