remove Xv from Xo decrement_bond

Author: davidfarinajr

rmgpy/molecule/atomtype.py

@@ -642,7 +642,7 @@ def get_features(self):
 
 ATOMTYPES['X'].set_actions(increment_bond=['X'], decrement_bond=['X'], form_bond=['X'], break_bond=['X'], increment_radical=[], decrement_radical=[], increment_lone_pair=[], decrement_lone_pair=[], increment_charge=[], decrement_charge=[])
 ATOMTYPES['Xv'].set_actions(increment_bond=[], decrement_bond=[], form_bond=['Xo'], break_bond=[], increment_radical=[], decrement_radical=[], increment_lone_pair=[], decrement_lone_pair=[], increment_charge=[], decrement_charge=[])
-ATOMTYPES['Xo'].set_actions(increment_bond=['Xo'], decrement_bond=['Xo','Xv'], form_bond=[], break_bond=['Xv'], increment_radical=[], decrement_radical=[], increment_lone_pair=[], decrement_lone_pair=[], increment_charge=[], decrement_charge=[])
+ATOMTYPES['Xo'].set_actions(increment_bond=['Xo'], decrement_bond=['Xo'], form_bond=[], break_bond=['Xv'], increment_radical=[], decrement_radical=[], increment_lone_pair=[], decrement_lone_pair=[], increment_charge=[], decrement_charge=[])
 
 ATOMTYPES['R'].set_actions(increment_bond=['R'], decrement_bond=['R'], form_bond=['R'], break_bond=['R'], increment_radical=['R'], decrement_radical=['R'], increment_lone_pair=['R'], decrement_lone_pair=['R'], increment_charge=['R'], decrement_charge=['R'])
 ATOMTYPES['R!H'].set_actions(increment_bond=['R!H'], decrement_bond=['R!H'], form_bond=['R!H'], break_bond=['R!H'], increment_radical=['R!H'], decrement_radical=['R!H'], increment_lone_pair=['R!H'], decrement_lone_pair=['R!H'], increment_charge=['R!H'], decrement_charge=['R!H'])