message: Clean up config
  Summary: Remove unused options, fiddle with default according to what we think is most promising
diff: struct ClassSplittingConfig {
  bool combine_target_classes_by_api_level{false};
  unsigned int relocated_methods_per_target_class{64};
  - bool use_method_weights{false};
  - bool use_method_profiles{true};
  float method_profiles_appear_percent_threshold{1};
  bool relocate_static_methods{true};
  bool relocate_non_static_direct_methods{true};
  @@ -21,7 +19,7 @@ struct ClassSplittingConfig {
  bool relocate_true_virtual_methods{true};
  bool run_before_interdex{true};
  bool trampolines{true};
  - unsigned int trampoline_size_threshold{4};
  + unsigned int trampoline_size_threshold{100};
  };
  class ClassSplittingPass : public Pass {
  @@ -35,10 +33,6 @@ class ClassSplittingPass : public Pass {
  bind("relocated_methods_per_target_class",
  m_config.relocated_methods_per_target_class,
  m_config.relocated_methods_per_target_class);
  - bind("use_method_weights", m_config.use_method_weights,
  - m_config.use_method_weights);
  - bind("use_method_profiles", m_config.use_method_profiles,
  - m_config.use_method_profiles);
  bind("method_profiles_appear_percent_threshold",
  m_config.method_profiles_appear_percent_threshold,
  m_config.method_profiles_appear_percent_threshold);
  