Remove built-in speaker support

The changes to amiga, mac and msdos builds are untested.

include/pcconf.h

@@ -38,10 +38,6 @@
 
 #define SHELL /* via exec of COMMAND.COM */
 
-#ifdef __BORLANDC__
-#define PCMUSIC /* Music option, enable very basic pc speaker music notes */
-#endif
-
 /*
  * Screen control options
  *
@@ -153,9 +149,6 @@
 
 #define TIMED_DELAY /* enable the `timed_delay' run-time option */
 
-#ifdef PCMUSIC
-#define TIMED_DELAY /* need it anyway */
-#endif
 #define NOCWD_ASSUMPTIONS /* Allow paths to be specified for HACKDIR,      \
                              LEVELDIR, SAVEDIR, BONESDIR, DATADIR,         \
                              SCOREDIR, LOCKDIR, CONFIGDIR, and TROUBLEDIR. \