PSA: Retire Linalg fusion-on-memrefs

Patch D141807 is deprecating fusion-on-memrefs in Linalg. Fusion-on-tensors that uses TilingInterface is a preferred way.

In two weeks the patch will land.

Thanks @pifon2a !

Yes it is long time this gets retired, along with the early poor man’s dependence analysis.
We can revisit it later if/when needed, based on a proper analysis and after unification with the sparse world is further along.

What would be a suggested time to wait for others to read the PSA?

Many PSAs explicitly state the date by which the change is expected to happen. It is usually a single-digit number of weeks.

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Good. Then 2 weeks should be enough.