Delete perform_hwcount.sh

duplicate, already present in tests/

XDMA/linux-kernel/tools/perform_hwcount.sh

-#!/bin/bash
-
-#rm hw_log_h2c.txt
-#rm hw_log_c2h.txt
-h2c=/dev/xdma0_h2c_0
-c2h=/dev/xdma0_c2h_0
-iter=1
-
-out_h2c=hw_log_h2c.txt
-out_c2h=hw_log_c2h.txt
-
-byte=64
-for ((j=0; j<=16; j++)) do
-	echo "** HW H2C = $h2c bytecount = $byte and iteration = $iter" | tee -a $out_h2c
-	./performance -d $h2c -c $iter -s $byte | tee -a $out_h2c
-	byte=$(($byte*2))
-done
-
-byte=64
-for ((j=0; j<=16; j++)) do
-	echo "** HW C2H = $c2h bytecount = $byte and iteration = $iter" | tee -a $out_c2h
-	./performance -d $c2h -c $iter -s $byte | tee -a  $out_c2h
-	byte=$(($byte*2))
-done