deprecate wrapper generators

- remove the generators themselves
- refactor the runtime documentation a bit (remove discussion of wrapper
  generator scripts, reorganize remaining options into subsections in
  priority of Cray option, MPICH option, then manual option)

Author: Phil Carns

darshan-runtime/configure.ac

@@ -946,9 +946,6 @@ AM_CONDITIONAL(HAVE_LDMS,           [test "x$enable_ldms_mod"    = xyes])
 AC_CONFIG_FILES(Makefile \
                 darshan-config \
                 darshan-mk-log-dirs.pl \
-                darshan-gen-cc.pl \
-                darshan-gen-cxx.pl \
-                darshan-gen-fortran.pl \
                 lib/Makefile \
                 test/Makefile \
                 pkgconfig/Makefile \