Update include/check_os.sh

include/check_os.sh

@@ -40,5 +40,4 @@ else
     SYS_BIT_a=x86;SYS_BIT_b=i686;
 fi
 
-CPU=$(grep 'processor' /proc/cpuinfo | sort -u | wc -l)
-let THREAD=${CPU}*2
+THREAD=$(grep 'processor' /proc/cpuinfo | sort -u | wc -l)