Remove unused ValuesAsInModelContext constructor

Author: penelopeysm

src/values_as_in_model.jl

@@ -26,15 +26,10 @@ struct ValuesAsInModelContext{T,C<:AbstractContext} <: AbstractContext
     include_colon_eq::Bool
     "child context"
     context::C
-end
 
-# If child context is not passed
-function ValuesAsInModelContext(values, include_colon_eq)
-    return ValuesAsInModelContext(values, include_colon_eq, DefaultContext())
-end
-# If values are not passed
-function ValuesAsInModelContext(include_colon_eq, context::AbstractContext)
-    return ValuesAsInModelContext(OrderedDict(), include_colon_eq, context)
+    function ValuesAsInModelContext(include_colon_eq, context::AbstractContext)
+        return ValuesAsInModelContext(OrderedDict(), include_colon_eq, context)
+    end
 end
 
 NodeTrait(::ValuesAsInModelContext) = IsParent()