[rancid] Cisco devices and calculating percent free

[Randy Bush]

something analogous to

--- rancid.types.base.ORIG      2020-03-19 01:11:40.000000000 +0000
+++ rancid.types.base   2020-03-21 19:41:36.522622000 +0000
@@ -221,7 +221,7 @@
 cisco-nx;command;nxos::ShowEnvPower;show environment power
 cisco-nx;command;nxos::ShowBoot;show boot
 cisco-nx;command;nxos::DirSlotN;dir bootflash:
-cisco-nx;command;nxos::DirSlotN;dir debug:
+## cisco-nx;command;nxos::DirSlotN;dir debug:
 cisco-nx;command;nxos::DirSlotN;dir logflash:
 cisco-nx;command;nxos::DirSlotN;dir slot0:
 cisco-nx;command;nxos::DirSlotN;dir usb1:
@@ -598,7 +598,7 @@
 junos;module;junos
 junos;inloop;junos::inloop
 junos;command;junos::ShowChassisClocks;show chassis clocks
-junos;command;junos::ShowChassisEnvironment;show chassis environment
+## junos;command;junos::ShowChassisEnvironment;show chassis environment
 junos;command;junos::ShowChassisFirmware;show chassis firmware local
 junos;command;junos::ShowChassisFirmware;show chassis firmware