remove unused functions

Author: hdavid16

src/reformulate.jl

@@ -122,9 +122,6 @@ function _reformulate_disjunct(model::JuMP.Model, ref_cons::Vector{JuMP.Abstract
     return
 end
 
-_index_to_constraint(model::JuMP.Model, cidx::DisjunctConstraintIndex) = _disjunct_constraints(model)[cidx]
-_index_to_constraint(model::JuMP.Model, cidx::DisjunctionIndex) = _disjunctions(model)[cidx]
-
 # reformulation for nested disjunction
 # NOTE: name of inner disjunction (if given) is currently lost (not passed upwards)
 function reformulate_disjunct_constraint(
@@ -166,4 +163,4 @@ function _reformulate_logical_constraint(model::JuMP.Model, func, set::Union{_MO
 end
 function _reformulate_logical_constraint(model::JuMP.Model, func, set::IsTrue)
     return _reformulate_proposition(model, func)
-end
+end