Description tweaks for dead animatronic critters.

Since they can't actually be disassembled, this removes the misleading
line about salvaging them.
Merge pull request #10349 from Rivet-the-Zombie/anna-matronix

Description tweaks for dead animatronic critters.
Merge branch 'master' of https://github.com/CleverRaven/Cataclysm-DDA into vehicular_manslaughter