Remove dmc and ricochet Makefiles
Remove Mac support and references to dmc and ricochet
Remove p4 commands, gendbg.sh execution, lib copying
Remove unused binaries and gendbg.sh, change compiler cmd
Remove unused ELF-GC-DYNSTR
Always make release build
Remove an overlooked dmc reference
Combine some flags
Prevent printing of link map
Remove unused OS and HOSTNAME
Remove unused symlink