Remove httpRequestInitializer override warning from GoogleCloudStorageImpl

[clairemcginty]

Rationale: my GoogleCloudStorageImpl is constructed from Apache Beam, which constructs and overrides its own httpRequestInitializer, as a ChainingHttpRequestInitializer that already stacks a credentials adapter + a retry adapter:

Therefore, it should be safe to override in production (as far as I can tell 😅).

Another option is that we could keep this log warning contingent on inspecting the contents of the httpRequestInitializer something like:

+      if (
+         !(httpRequestInitializer instanceof ChainingHttpRequestInitializer) ||
+         !((ChainingHttpRequestInitializer) + httpRequestInitializer).getInitializers().contains(..RetryHttpInitializer...)) {
       logger.atWarning().log(
            "ALERT: Overriding httpRequestInitializer to non-retry initializer - this should not be done in production!");
+      }

I feel like this is a bit messy. But lmk!

[gemini-code-assist]

Summary of Changes

Hello @clairemcginty, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the logging behavior within the Google Cloud Storage client library by removing a specific warning message. The change aims to prevent false alarms for legitimate and safe overrides of HTTP request initializers, thereby improving the accuracy and relevance of log output for developers integrating with the library, particularly those using advanced client configurations or frameworks.

Highlights

• Removal of misleading warning: The pull request removes a warning log message in GoogleCloudStorageImpl.java that incorrectly flagged overrides of httpRequestInitializer. This warning was found to be misleading, especially for users of frameworks like Apache Beam, which intentionally override this initializer with a safe, chained version that includes necessary retry logic.

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[gemini-code-assist]

Code Review

This pull request removes a warning log that was triggered when a custom HttpRequestInitializer was provided. The rationale is that in some cases, like when using Apache Beam, the provided initializer is a ChainingHttpRequestInitializer that already includes the necessary retry logic, making the warning a false positive.

The change is simple and directly addresses the issue. By removing the overly broad warning, it reduces noise for advanced users who are correctly providing their own configured initializers. The responsibility for ensuring the custom initializer is production-ready (e.g., includes retry logic) now correctly lies with the caller using this advanced configuration option. The change is approved.