Since it has gone from bfd/. * arm-symbian-tdep.c: Delete. * NEWS: Mention arm-symbian removal. * Makefile.in: Remove arm-symbian-tdep entries. * configure.tgt: Remove arm*-*-symbianelf*. * doc/gdb.texinfo: Remove mention of SymbianOS. * osabi.c (gdb_osabi_names): Remove "Symbian". * osabi.h (enum gdb_osabi): Remove GDB_OSABI_SYMBIAN. * testsuite/gdb.base/ending-run.exp: Remove E32Main handling. * testsuite/gdb.ada/catch_ex_std.exp: Remove arm*-*-symbianelf* handling. * testsuite/gdb.base/dup-sect.exp: Likewise. * testsuite/gdb.base/long_long.exp: Likewise. * testsuite/gdb.base/solib-weak.exp: Likewise. * testsuite/gdb.guile/scm-section-script.exp: Likewise. * testsuite/gdb.python/py-section-script.exp: Likewise. * testsuite/lib/dwarf.exp: Likewise. * testsuite/lib/gdb.exp: Likewise.