Retire the uses of TYPHA_VERSION from the Makefile.
Retire the uses of TYPHA_VERSION from the Makefile.

Typha version is now part of the FV_TYPHAIMAGE variable.

Signed-off-by: David Wilder <c99dc2f4f8d2e2b13883c936de59f520004971aa@us.ibm.com>

neiljerram/felix,neiljerram/felix,neiljerram/felix,Metaswitch/calico,neiljerram/felix,Metaswitch/calico