Update i40e-tune

examples/i40e-tune

@@ -1,21 +1,13 @@
 #!/bin/bash
 
-# i40e driver sometimes bugs with RSS.
-# interrupt counters freezes and all packet processing is doing by CPU0
-# enabling and disabling RPS enables RSS, IDK why
-# enabling both RPS and RSS is bad idea, so we disable it later
-# don't use this script periodically, it can cause packet drops.
-# only required for system startup.
-
-
-hex_all_cpus() {
-	python -c "print hex(int('1' * $(nproc), 2))" | sed 's/^0x//g'
-}
+# i40e driver sometimes bugs with RSS. Interrupt counters freezes 
+# and all packet processing is doing by CPU0. Enabling and disabling
+# RPS enables RSS, IDK why. Enabling both RPS and RSS is bad idea,
+# so we disable it later don't use this script periodically, it can
+# cause packet drops. Only required for system startup.
 
 i40e_tune() {
 	local dev="$1"
-	local all_cpus_mask
-	all_cpus_mask="$(hex_all_cpus)"
 	autorps "$dev"
 	rss-ladder "$dev"
 	autorps --cpu-mask=0 "$dev"