Remove TODO on only running the GDD with (big) ledger peers (#1504)

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Author: amesgen

ouroboros-consensus-diffusion/src/ouroboros-consensus-diffusion/Ouroboros/Consensus/NodeKernel.hs

@@ -313,7 +313,6 @@ initNodeKernel args@NodeKernelArgs { registry, cfg, tracers
             chainDB
             (lgnkaGDDRateLimit lgArgs)
             (readTVar varGsmState)
-            -- TODO GDD should only consider (big) ledger peers
             (cschcMap varChainSyncHandles)
             varLoEFragment