Remove deadcode

PiperOrigin-RevId: 691936622

Author: jcking

eval/public/BUILD

@@ -810,7 +810,6 @@ cc_library(
         "//eval/public/structs:legacy_type_info_apis",
         "//eval/public/structs:legacy_type_provider",
         "//runtime:type_registry",
-        "//runtime/internal:composed_type_provider",
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_absl//absl/container:flat_hash_set",
         "@com_google_absl//absl/status:statusor",

eval/public/cel_type_registry.h

@@ -24,7 +24,6 @@
 #include "absl/container/flat_hash_set.h"
 #include "absl/strings/string_view.h"
 #include "eval/public/structs/legacy_type_provider.h"
-#include "runtime/internal/composed_type_provider.h"
 #include "runtime/type_registry.h"
 
 namespace google::api::expr::runtime {
@@ -83,15 +82,6 @@ class CelTypeRegistry {
     return modern_type_registry_.GetComposedTypeProvider();
   }
 
-  // Register an additional type provider with the registry.
-  //
-  // A pointer to the registered provider is returned to support testing,
-  // but users should prefer to use the composed type provider from
-  // GetTypeProvider()
-  void RegisterModernTypeProvider(std::unique_ptr<cel::TypeProvider> provider) {
-    return modern_type_registry_.AddTypeProvider(std::move(provider));
-  }
-
   // Find a type adapter given a fully qualified type name.
   // Adapter provides a generic interface for the reflection operations the
   // interpreter needs to provide.