[MLIR][Linalg] Remove matmul_transpose variants (#147961)
Removes the `(batch_)matmul_transpose_{a|b}` variants from OpDSL and
replace it with `matmul affine_maps [...]` whenever appropriate. This is
in line with the
[plan](https://discourse.llvm.org/t/rfc-op-explosion-in-linalg/82863),
and can be done since #104783 merged.
See:
https://discourse.llvm.org/t/deprecate-batch-matmul-transpose-a-b-linalg-operations/87245
Issues investigated:
* pad transform tests that could use `matmul` instead, so change to
that.
* ArmSME test using transpose actually needed it, so changed to `matmul`
+ affine maps.
Arm tests validated by @banach-space (thanks!!).
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