Remove some includes reported as unused by clangd.
Change-Id: If7c4729975bd90b9cc2c22bcf84d333bd0002a52
#include "symfile.h"
#include "objfiles.h"
#include "stabsread.h"
-#include "demangle.h"
-#include "filenames.h"
#include "probe.h"
#include "arch-utils.h"
#include "gdbtypes.h"
#include "gdbthread.h"
#include "inferior.h"
#include "regcache.h"
-#include "bcache.h"
#include "gdb_bfd.h"
#include "location.h"
#include "auxv.h"
#include "mdebugread.h"
#include "ctfread.h"
#include <string_view>
-#include "gdbsupport/scoped_fd.h"
#include "dwarf2/public.h"
#include "cli/cli-cmds.h"
#include "gdb-stabs.h"