Make --recommended-robust use default method

Author: staadecker

switch_model/solve.py

@@ -822,9 +822,9 @@ def parse_recommended_args(args):
         "--debug",
         "--graph",
     ] + args
-    solver_options_string = "method=2 BarHomogeneous=1 FeasibilityTol=1e-5"
+    solver_options_string = "BarHomogeneous=1 FeasibilityTol=1e-5"
     if not options.recommended_robust:
-        solver_options_string += " crossover=0"
+        solver_options_string += " crossover=0 method=2"
     args = ["--solver-options-string", solver_options_string] + args
     if options.recommended_debug:
         args = ["--keepfiles", "--tempdir", "temp", "--symbolic-solver-labels"] + args