fix dq alignment

include/ck_tile/ops/fmha/pipeline/block_fmha_bwd_dq_dk_dv_pipeline_kr_ktr_vr.hpp

@@ -67,8 +67,7 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
         kPadHeadDimV ? 1 : Policy::template GetAlignmentV<Problem>();
     static constexpr index_t kAlignmentOGrad =
         kPadHeadDimV ? 1 : Policy::template GetAlignmentOGrad<Problem>();
-    static constexpr index_t kAlignmentQGrad =
-        kPadHeadDimQ ? 1 : Policy::template GetAlignmentQGrad<Problem>();
+    static constexpr index_t kAlignmentQGrad = 1;
     static constexpr index_t kAlignmentKGrad =
         kPadHeadDimQ ? 1 : Policy::template GetAlignmentKGrad<Problem>();
     static constexpr index_t kAlignmentVGrad =

include/ck_tile/ops/fmha/pipeline/block_fmha_bwd_pipeline_default_policy.hpp

@@ -276,18 +276,6 @@ struct BlockFmhaBwdPipelineDefaultPolicy
         return kVecLoad;
     }
 
-    template <typename Problem>
-    CK_TILE_HOST_DEVICE static constexpr auto GetAlignmentQGrad()
-    {
-        using BlockGemm       = remove_cvref_t<decltype(GetSGradKTBlockGemm<Problem>())>;
-        constexpr auto config = BlockGemm::Policy::template GetWarpGemmMWarpNWarp<Problem>();
-        using WG              = remove_cvref_t<decltype(config.template at<0>())>;
-        using CWarpDstr       = typename WG::CWarpDstr;
-        constexpr auto vec =
-            CWarpDstr{}.get_ys_to_d_descriptor().get_lengths().at(number<CWarpDstr::NDimY - 1>{});
-        return vec;
-    }
-
     template <typename Problem>
     CK_TILE_HOST_DEVICE static constexpr auto GetAlignmentKGrad()
     {