Enable Slack app OauthV2 flow
What does this MR do and why?
This MR removes the slack_app_use_v2_flow feature flag to enable to new OAuth v2 flow for Slack app installation.
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
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I have evaluated the MR acceptance checklist for this MR.
Related to #360680 (closed)