Found several more stale includes and forward decls.
#include "arch/alpha/kernel_stats.hh"
#include "arch/alpha/osfpal.hh"
#include "arch/alpha/tlb.hh"
-#include "arch/alpha/kgdb.h"
#include "base/cp_annotate.hh"
#include "base/debug.hh"
-#include "base/remote_gdb.hh"
#include "base/stats/events.hh"
#include "config/full_system.hh"
#include "cpu/base.hh"
#include "arch/alpha/ev5.hh"
#include "arch/alpha/system.hh"
-#include "arch/alpha/remote_gdb.hh"
#include "arch/vtophys.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "arch/mips/system.hh"
#include "arch/vtophys.hh"
-#include "base/remote_gdb.hh"
#include "base/loader/object_file.hh"
#include "base/loader/hex_file.hh"
#include "base/loader/symtab.hh"
#include "arch/sparc/system.hh"
#include "arch/vtophys.hh"
-#include "base/remote_gdb.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
#include "base/intmath.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
-#include "base/remote_gdb.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "mem/physical.hh"
#include <cstdio>
#include <string>
-#include "arch/remote_gdb.hh"
#include "base/intmath.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "sim/sim_object.hh"
#include "sim/syscallreturn.hh"
-class BaseRemoteGDB;
-class GDBListener;
class PageTable;
class ProcessParams;
class LiveProcessParams;