Add Rubber Goo as replacement for the grinder (#578)

TechDudie

2021-02-09 43acec290067f9aca534647d46ba1f13cfeb377a

 technic/radiation.lua

@@ -244,7 +244,6 @@
need to be considered.
--]]
local abdomen_offset = 1
local cache_scaled_shielding = {}
local rad_dmg_cutoff = 0.2
local radiated_players = {}