fixup! feat: allow parameters to be unknowns in the initialization system

Author: AayushSabharwal

src/systems/nonlinear/initializesystem.jl

@@ -150,11 +150,7 @@ function generate_initializesystem(sys::ODESystem;
         [get_iv(sys)],
         [p for p in parameters(sys) if !haskey(paramsubs, p)]
     )
-    nleqs = if algebraic_only
-        [eqs_ics; observed(sys)]
-    else
-        [eqs_ics; get_initialization_eqs(sys); initialization_eqs; observed(sys)]
-    end
+    nleqs = [eqs_ics; observed(sys)]
     nleqs = Symbolics.substitute.(nleqs, (paramsubs,))
     unks = [full_states; collect(values(paramsubs))]