manual removed files

collections/manual/documentation/farmers/3node_building/3node_building.md

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-<h1>  Building a DIY 3Node </h1>
-
-This section of the ThreeFold Farmers book presents the necessary and basic steps to build a DIY 3Node.
-
-For advanced farming information, such as GPU farming and room parameters, refer to the section [Farming Optimization](../farming_optimization/farming_optimization.md).
-
-<h2> Table of Contents </h2>
-
-- [1. Create a Farm](./1_create_farm.md)
-- [2. Create a Zero-OS Bootstrap Image](./2_bootstrap_image.md)
-- [3. Set the Hardware](./3_set_hardware.md)
-- [4. Wipe All the Disks](./4_wipe_all_disks.md)
-- [5. Set the BIOS/UEFI](./5_set_bios_uefi.md)
-- [6. Boot the 3Node](./6_boot_3node.md)