MLBEDSW-11132: Fix incorrect weight storage shape for decomposed Depthwise
If a Depthwise operation is decomposed twice, once for depth multiplier and again for oversized kernel stride, the correct but unusable tensor dimensions from the first decomposition cause incorrect weight slicing during stride decomposition.
This commit removes the unnecessary trailing '1' from the tensor storage shape.
Signed-off-by: Philip Hall philip.hall@arm.com Change-Id: I3056f60a37aa48c4f6a0b1b99293968cf2f434d9