Remove unnecessary casts in flavor create.
Remove unnecessary casts in flavor create.

We already cast and validate these variables above... no
need to cast them again.

Change-Id: I87b967925ae77c70eb07a42f3ae050703d44a427

guptaankita/python-novaclient,CCI-MOC/python-novaclient,mat128/python-novaclient,akash1808/python-novaclient,metacloud/python-novaclient,citrix-openstack-build/python-novaclient,CCI-MOC/python-novaclient,akash1808/python-novaclient,JioCloud/python-novaclient,Shihta/python-novaclient,metacloud/python-novaclient,ntt-sic/python-novaclient,Shihta/python-novaclient,mat128/python-novaclient,guptaankita/python-novaclient,takeshineshiro/python-novaclient,JioCloud/python-novaclient,ntt-sic/python-novaclient,citrix-openstack-build/python-novaclient,takeshineshiro/python-novaclient