RMF no longer uses stock avro.


git-svn-id: https://svn.salilab.org/imp/trunk@17263 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
remove stray export decls

git-svn-id: https://svn.salilab.org/imp/trunk@17264 e91f8c7b-0e32-4433-a9ac-4502d39a4eab