chocolate-doom: Search /usr/share/doom for IWADs as well
This udpate fixes the following issue with chocolate-doom:
- bnc#818102: Search /usr/share/doom for IWADs as well
- Remove unnecessary INSTALL file
-
Submitted by
Jan Engelhardt (jengelh)
Fixed bugs
bnc#818102
chocolate-doom: should look in /usr/share/doom
