Remove dynamic enabling now obsolete use_v2_api feature flag.

[nick-nlb]

Goal

Remove dynamic enabling of the obsolete use_v2_api feature flag from the CDC services startup script, aligning with the deprecation and removal of v1 API paths.

Description

The use_v2_api flag has already been removed from usage within website (frontend/Flask). This PR follows that with a removal of the final reference to that flag in the CDC services startup script. We will follow this with a removal of the flags themselves.

[gemini-code-assist]

Summary of Changes

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This pull request cleans up the CDC services startup process by removing the dynamic enabling of the deprecated use_v2_api feature flag. This change aligns the startup configuration with the broader effort to deprecate v1 API paths, ensuring that only the relevant enable_nl_v2node_fetchall flag is managed dynamically.

Highlights

• Removal of obsolete feature flag: Removed the use_v2_api feature flag logic from the CDC services startup script.
• Script cleanup: Updated the Python snippet within the shell script to focus exclusively on enabling enable_nl_v2node_fetchall.

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[gemini-code-assist]

Code Review

This pull request removes the dynamic enabling of the use_v2_api feature flag in custom.json within the run.sh script, leaving only the enable_nl_v2node_fetchall flag to be enabled. Feedback suggests making the warning log message more specific by explicitly mentioning the enable_nl_v2node_fetchall flag instead of using a generic message.

[clincoln8]

Removed in https://github.com/datacommonsorg/website/pull/6355/changes

[clincoln8]

Thanks!!