Removed and cleaned Cython dependencies from setup.py
Removed and cleaned Cython dependencies from setup.py

pratyakshs/pgmpy,abinashpanda/pgmpy,jhonatanoliveira/pgmpy,sandeepkrjha/pgmpy,pgmpy/pgmpy,kislayabhi/pgmpy,pgmpy/pgmpy,jhonatanoliveira/pgmpy,abinashpanda/pgmpy,yashu-seth/pgmpy,liquidmetal/pgmpy,kris-singh/pgmpy,ankurankan/pgmpy,yashu-seth/pgmpy,pratyakshs/pgmpy,sandeepkrjha/pgmpy,khalibartan/pgmpy,kislayabhi/pgmpy,palashahuja/pgmpy,kris-singh/pgmpy,anaviltripathi/pgmpy,anaviltripathi/pgmpy,vivek425ster/pgmpy,vivek425ster/pgmpy,liquidmetal/pgmpy,ankurankan/pgmpy,palashahuja/pgmpy,khalibartan/pgmpy