Remove unnecessary generic type arguments

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=175155365

java/google/registry/request/Modules.java

@@ -245,7 +245,7 @@ public final class Modules {
           // GoogleCredential constructor.  We don't yet know the actual scopes to use here, and it
           // is thus the responsibility of every user of a delegated admin credential to call
           // createScoped() on it first to get the version with the correct scopes set.
-          .setServiceAccountScopes(ImmutableSet.<String>of())
+          .setServiceAccountScopes(ImmutableSet.of())
           .setServiceAccountUser(gSuiteAdminAccountEmailAddress)
           .build();
     }