Removing theano backend.
Removing theano backend.

deepchem/deepchem,Agent007/deepchem,Agent007/deepchem,rbharath/deepchem,Agent007/deepchem,peastman/deepchem,rbharath/deepchem,ktaneishi/deepchem,miaecle/deepchem,lilleswing/deepchem,lilleswing/deepchem,joegomes/deepchem,peastman/deepchem,ktaneishi/deepchem,miaecle/deepchem,miaecle/deepchem,joegomes/deepchem,ktaneishi/deepchem,deepchem/deepchem,lilleswing/deepchem