chore: remove @[grind =] from List.countP_eq_length_filter
#11542
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kim-em
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@[grind =] from List.countP_eq_length_filter
algebraic-dev
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Dec 8, 2025
This PR removes `@[grind =]` from `List.countP_eq_length_filter` and `Array.countP_eq_size_filter`, as users [reported](https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/.60countP_eq_length_filter.60.20grind.20attribute/near/561386848)[#lean4 > `countP_eq_length_filter` grind attribute @ 💬](https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/.60countP_eq_length_filter.60.20grind.20attribute/near/561386848) this was problematic.
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This PR removes
@[grind =]fromList.countP_eq_length_filterandArray.countP_eq_size_filter, as users reported#lean4 > `countP_eq_length_filter` grind attribute @ 💬 this was problematic.