Start using non-EPP-flow-wrapping implementation in CheckAPI

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201620090

java/google/registry/module/pubapi/PubApiComponent.java

@@ -41,7 +41,6 @@ import javax.inject.Singleton;
 @Singleton
 @Component(
   modules = {
-    // TODO(b/79692981): Remove flow-related includes once check API is rewritten to not wrap flow.
     AppIdentityCredentialModule.class,
     AuthModule.class,
     ConfigModule.class,