Remove some unused parameters (part 2)

scripts/launch_local_testnet.sh

@@ -231,7 +231,6 @@ if [[ $USE_GANACHE == "0" ]]; then
     --data-dir="${DATA_DIR}" \
     --deposits-file="${DEPOSITS_FILE}" \
     --total-validators=${TOTAL_VALIDATORS} \
-    --last-user-validator=${USER_VALIDATORS} \
     --output-genesis="${NETWORK_DIR}/genesis.ssz" \
     --output-bootstrap-file="${NETWORK_DIR}/bootstrap_nodes.txt" \
     --bootstrap-address=${BOOTSTRAP_IP} \

scripts/reset_testnet.sh

@@ -93,7 +93,6 @@ make build
   --data-dir="$DATA_DIR_ABS" \
   --validators-dir="$VALIDATORS_DIR_ABS" \
   --total-validators=$TOTAL_VALIDATORS \
-  --last-user-validator=$USER_VALIDATORS \
   --output-genesis="$NETWORK_DIR_ABS/genesis.ssz" \
   --output-bootstrap-file="$NETWORK_DIR_ABS/bootstrap_nodes.txt" \
   --bootstrap-address=$BOOTSTRAP_IP \