pvr: drop unused variable

Fixes: 71fe789d35 ("pvr: Support ipf_creq_pf in pvr_isp_ctrl_stream()")

Reviewed-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22709>

src/imagination/vulkan/pvr_job_transfer.c

@@ -3941,7 +3941,6 @@ static VkResult pvr_isp_ctrl_stream(const struct pvr_device_info *dev_info,
    struct pvr_transfer_pass *pass = NULL;
    uint32_t flags = transfer_cmd->flags;
    pvr_dev_addr_t stream_base_vaddr;
-   uint32_t prim_hdr_count = 0U;
    uint32_t num_prim_blks = 0U;
    uint32_t prim_blk_size = 0U;
    uint32_t region_arrays_size;
@@ -4319,9 +4318,6 @@ static VkResult pvr_isp_ctrl_stream(const struct pvr_device_info *dev_info,
                was_linked = PVR_HAS_FEATURE(dev_info, ipf_creq_pf);
             }
 
-            if (PVR_HAS_FEATURE(dev_info, ipf_creq_pf))
-               prim_hdr_count++;
-
             if (fill_blit)
                mappings = pass ? pass->sources[source].mappings : &fill_mapping;
             else