Removes 30 unused inhand sprites

>plasma-c
table_parts
swat_gl
swat_hel
swat_sh
toxinbottle
contliquid
johnny_coat
bio_orange
nazi1
r_feet
r_hands
r_head
death_commando_suit
chainmail
brick
rig_suit
rig_helm
revballoon
rev_headballoon
daederic
cueball
scratch
speargun
jensensuit
ice_tea_can
energy_drink
cespace_suit
cespace_helmet
bomb

Don't let the names fool you, I made sure that none of these are actually used in the code.

Also changed the green cross on the medical hardsuit's inhands to blue.