Cherry pick of #10072
- Why I did it
Removing DPB breakout modes that require adjacent ports to be disabled as that is not supported by the current DPB infrastructure.
Correspondingly had to remove the hwsku.json file from any SKUs which utilized these removed modes such that the system will fall back to ports_config.ini and DPB will not be supported for those SKUs.
- How I did it
Modified the platform.json files of Mellanox devices.
- How to verify it
Execute show int break [Ethernet] on the affected platforms and ensure there are no modes present that would require an adjacent port to be disabled to function.
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