tauRecTools, comment out more var in GNNUtils and RNNUtils

Antonio De Mariarequested to merge
ademaria/athena:rm_gntauvar into main

Similar to !78590 (merged), this MR is commenting out variables not used for the current GNTau and RNN inference.

These variables were used/can still be used for future development, that's why they are just commented out and not removed

Edited by Antonio De Maria

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