v3dv: drop unused stride field from v3dv_pipeline_vertex_binding

This is unused since f4d426fae6 where we added support for dynamic
state vertex strides.

Fixes: f4d426fae6 ('v3dv: provide implementation for vkCmdBindVertexBuffers2')
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29425>

src/broadcom/vulkan/v3dv_private.h

@@ -2273,11 +2273,8 @@ struct v3dv_pipeline {
 
    bool negative_one_to_one;
 
-   /* Accessed by binding. So vb[binding]->stride is the stride of the vertex
-    * array with such binding
-    */
+   /* Indexed by vertex binding. */
    struct v3dv_pipeline_vertex_binding {
-      uint32_t stride;
       uint32_t instance_divisor;
    } vb[MAX_VBS];
    uint32_t vb_count;

src/broadcom/vulkan/v3dvx_pipeline.c

@@ -685,7 +685,6 @@ v3dX(pipeline_pack_compile_state)(struct v3dv_pipeline *pipeline,
       const VkVertexInputBindingDescription *desc =
          &vi_info->pVertexBindingDescriptions[i];
 
-      pipeline->vb[desc->binding].stride = desc->stride;
       pipeline->vb[desc->binding].instance_divisor = desc->inputRate;
    }