duplicate removal

Author: bloxster

src/basic/node.md

@@ -6,10 +6,8 @@ Erigon 3 introduces a flexible approach to node configuration, offering three di
 |--------------|--------------|-----------|--------------|
 | Privacy, RPC |    **Yes**   |   **Yes** |    **Yes**   |
 | Contribute to network | No  |   **Yes** |    **Yes**   |
-| Contribute to network | No  |   **Yes** |    **Yes**   |
 | Research     |    No        |    No     |    **Yes**   |
 | Staking      |    **Yes**   |  **Yes**  |    **Yes**   |
-| Staking      |    **Yes**   |  **Yes**  |    **Yes**   |
 
 ## Minimal node