Remove MergeRequests::Llm::SummarizeMergeRequestWorker
Background
In #417113 (closed), we refactored the summarize diff implementation to use the abstraction layer. New service class was introduced and MergeRequests::Llm::SummarizeMergeRequestWorker
and Llm::MergeRequests::SummarizeDiffService
were marked as deprecated.
Proposal
Remove MergeRequests::Llm::SummarizeMergeRequestWorker
and Llm::MergeRequests::SummarizeDiffService
. We should only do this once #423209 (closed) is fully rolled out and FF is removed.