CFY-2747 remove un-necessary validation
CFY-2747 remove un-necessary validation

xdegenne/cloudify-plugins-common,codilime/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,isaac-s/cloudify-plugins-common,codilime/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,codilime/cloudify-plugins-common,isaac-s/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,isaac-s/cloudify-plugins-common