fix: don't accept allow_algebraic as a kwarg to InitializationProblem

Author: AayushSabharwal

src/systems/diffeqs/abstractodesystem.jl

@@ -1458,7 +1458,6 @@ function InitializationProblem{iip, specialize}(sys::AbstractSystem,
         allow_incomplete = false,
         force_time_independent = false,
         algebraic_only = false,
-        allow_algebraic = nothing,
         kwargs...) where {iip, specialize}
     if !iscomplete(sys)
         error("A completed system is required. Call `complete` or `structural_simplify` on the system before creating an `ODEProblem`")
@@ -1486,7 +1485,7 @@ function InitializationProblem{iip, specialize}(sys::AbstractSystem,
     end
 
     if simplify_system
-        isys = structural_simplify(isys; fully_determined, allow_algebraic)
+        isys = structural_simplify(isys; fully_determined)
     end
 
     meta = get_metadata(isys)