move unmaintained files into outdated folder

If an old port is resurrected to work with current version code, its files
can be relocated to the appropriate sys or win folder as required.

In the meantime, the burden of upkeep can be avoided for the stuff in the
outdated folder for now.

outdated/sys/amiga/mkdmake

@@ -0,0 +1,13 @@
+GE/$@/%(left)/
+GE/$</%(right)/
+GE/\#/#/
+39(F B/#SFD_INSTEAD / ; E/#SFD_INSTEAD // ; N ; D )
+REWIND
+CG
+9(F P/#SFD_BEGIN/; D ; GE /##// ; F P/#SFD_ELSE/ ; CG ; DF P/#SFD_END/ ; D )
+Q
+
+Copyright (c) Andrew Church, Olney, Maryland, 1994,1996.
+NetHack may be freely redistributed.  See license for details.
+
+See IV.B.4 of Install.ami for instructions on using this file.